kconfig: sync with Linux 4.1

Update the files under scripts/kconfig/ to match Linux 4.1.
Some Kconfig sources have diverged from those in the kernel,
so commit-base syncing was done not to lose U-Boot specific updates.

The commits cherry-picked from Linux are:

[1] commit be8af2d54a66911693eddc556e4f7a866670082b
    Author: Bjørn Forsman <bjorn.forsman@gmail.com>
    kconfig/lxdialog: get ncurses CFLAGS with pkg-config

[2] commit 3943f42c11896ce82ad3da132c8a5630313bdd0e
    Author: Andrey Utkin <andrey.krieger.utkin@gmail.com>
    Replace mentions of "list_struct" to "list_head"

[3] commit e4e458b45c5861808674eebfea94cee2258bb2ea
    Author: Arjun Sreedharan <arjun024@gmail.com>
    calloc/xcalloc: Fix argument order

[4] commit 09950bc256e3628d275f90e016e6f5a039fbdcab
    Author: Olof Johansson <olof@lixom.net>
    merge_config.sh: Display usage if given too few arguments

[5] commit b6a2ab2cd4739a9573ed41677e53171987b8da34
    Author: Colin Ian King <colin.king@canonical.com>
    kconfig: use va_end to match corresponding va_start

[6] commit 70529b1a1784503169416df19ce3d68746401340
    Author: Michal Marek <mmarek@suse.cz>
    kconfig: Get rid of the P() macro in headers

[7] commit 463157444e377bf9b279101b1f16a94c4648c03a
    Author: Michal Marek <mmarek@suse.cz>
    kconfig: Remove dead code

[8] commit ad8d40cda3ad22ad9e8863d55a5c88f85c0173f0
    Author: Michal Marek <mmarek@suse.cz>
    kconfig: Remove unnecessary prototypes from headers

[9] commit de4619937229378e81f95e99c9866acc8e207d34
    Author: Masahiro Yamada <yamada.masahiro@socionext.com>
    kbuild: mergeconfig: fix "jobserver unavailable" warning

[10] commit b9fe99c5b994c6ddc57780993966b18899526c0b
    Author: Masahiro Yamada <yamada.masahiro@socionext.com>
    kbuild: mergeconfig: move an error check to merge_config.sh

[11] commit 371cfd4ff0611d8bc5d18bbb9cc6a2bc3d56cd3d
    Author: Masahiro Yamada <yamada.masahiro@socionext.com>
    kbuild: mergeconfig: remove redundant $(objtree)

[12] commit 3a975b8cfcbe026b535f83bde9a3c009bae214f9
    Author: Masahiro Yamada <yamada.masahiro@socionext.com>
    merge_config.sh: improve indentation

[13] commit bc8f8f5fc47cd02c2c5f3580dac2fe6695af1edd
    Author: Masahiro Yamada <yamada.masahiro@socionext.com>
    merge_config.sh: rename MAKE to RUNMAKE

[14] commit 63a91033d52e64a22e571fe84924c0b7f21c280d
    Author: Masahiro Yamada <yamada.masahiro@socionext.com>
    kbuild: add generic mergeconfig target, %.config

[15] commit 1cba0c305758c3c1786ecaceb03e142c95a4edc9
    Author: Michal Marek <mmarek@suse.cz>
    kconfig: Simplify Makefile

[16] commit 0a1f00a1c86421cc07cec87011c7cf4df68ee54b
    Author: Michal Marek <mmarek@suse.cz>
    kconfig: Do not print status messages in make -s mode

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Bjørn Forsman <bjorn.forsman@gmail.com>
Signed-off-by: Andrey Utkin <andrey.krieger.utkin@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Arjun Sreedharan <arjun024@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
diff --git a/scripts/kconfig/lkc_proto.h b/scripts/kconfig/lkc_proto.h
index ecdb965..d539871 100644
--- a/scripts/kconfig/lkc_proto.h
+++ b/scripts/kconfig/lkc_proto.h
@@ -1,57 +1,52 @@
 #include <stdarg.h>
 
 /* confdata.c */
-P(conf_parse,void,(const char *name));
-P(conf_read,int,(const char *name));
-P(conf_read_simple,int,(const char *name, int));
-P(conf_write_defconfig,int,(const char *name));
-P(conf_write,int,(const char *name));
-P(conf_write_autoconf,int,(void));
-P(conf_get_changed,bool,(void));
-P(conf_set_changed_callback, void,(void (*fn)(void)));
-P(conf_set_message_callback, void,(void (*fn)(const char *fmt, va_list ap)));
+void conf_parse(const char *name);
+int conf_read(const char *name);
+int conf_read_simple(const char *name, int);
+int conf_write_defconfig(const char *name);
+int conf_write(const char *name);
+int conf_write_autoconf(void);
+bool conf_get_changed(void);
+void conf_set_changed_callback(void (*fn)(void));
+void conf_set_message_callback(void (*fn)(const char *fmt, va_list ap));
 
 /* menu.c */
-P(rootmenu,struct menu,);
+extern struct menu rootmenu;
 
-P(menu_is_empty, bool, (struct menu *menu));
-P(menu_is_visible, bool, (struct menu *menu));
-P(menu_has_prompt, bool, (struct menu *menu));
-P(menu_get_prompt,const char *,(struct menu *menu));
-P(menu_get_root_menu,struct menu *,(struct menu *menu));
-P(menu_get_parent_menu,struct menu *,(struct menu *menu));
-P(menu_has_help,bool,(struct menu *menu));
-P(menu_get_help,const char *,(struct menu *menu));
-P(get_symbol_str, void, (struct gstr *r, struct symbol *sym, struct list_head
-			 *head));
-P(get_relations_str, struct gstr, (struct symbol **sym_arr, struct list_head
-				   *head));
-P(menu_get_ext_help,void,(struct menu *menu, struct gstr *help));
+bool menu_is_empty(struct menu *menu);
+bool menu_is_visible(struct menu *menu);
+bool menu_has_prompt(struct menu *menu);
+const char * menu_get_prompt(struct menu *menu);
+struct menu * menu_get_root_menu(struct menu *menu);
+struct menu * menu_get_parent_menu(struct menu *menu);
+bool menu_has_help(struct menu *menu);
+const char * menu_get_help(struct menu *menu);
+struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head);
+void menu_get_ext_help(struct menu *menu, struct gstr *help);
 
 /* symbol.c */
-P(symbol_hash,struct symbol *,[SYMBOL_HASHSIZE]);
+extern struct symbol * symbol_hash[SYMBOL_HASHSIZE];
 
-P(sym_lookup,struct symbol *,(const char *name, int flags));
-P(sym_find,struct symbol *,(const char *name));
-P(sym_expand_string_value,const char *,(const char *in));
-P(sym_escape_string_value, const char *,(const char *in));
-P(sym_re_search,struct symbol **,(const char *pattern));
-P(sym_type_name,const char *,(enum symbol_type type));
-P(sym_calc_value,void,(struct symbol *sym));
-P(sym_get_type,enum symbol_type,(struct symbol *sym));
-P(sym_tristate_within_range,bool,(struct symbol *sym,tristate tri));
-P(sym_set_tristate_value,bool,(struct symbol *sym,tristate tri));
-P(sym_toggle_tristate_value,tristate,(struct symbol *sym));
-P(sym_string_valid,bool,(struct symbol *sym, const char *newval));
-P(sym_string_within_range,bool,(struct symbol *sym, const char *str));
-P(sym_set_string_value,bool,(struct symbol *sym, const char *newval));
-P(sym_is_changable,bool,(struct symbol *sym));
-P(sym_get_choice_prop,struct property *,(struct symbol *sym));
-P(sym_get_default_prop,struct property *,(struct symbol *sym));
-P(sym_get_string_value,const char *,(struct symbol *sym));
+struct symbol * sym_lookup(const char *name, int flags);
+struct symbol * sym_find(const char *name);
+const char * sym_expand_string_value(const char *in);
+const char * sym_escape_string_value(const char *in);
+struct symbol ** sym_re_search(const char *pattern);
+const char * sym_type_name(enum symbol_type type);
+void sym_calc_value(struct symbol *sym);
+enum symbol_type sym_get_type(struct symbol *sym);
+bool sym_tristate_within_range(struct symbol *sym,tristate tri);
+bool sym_set_tristate_value(struct symbol *sym,tristate tri);
+tristate sym_toggle_tristate_value(struct symbol *sym);
+bool sym_string_valid(struct symbol *sym, const char *newval);
+bool sym_string_within_range(struct symbol *sym, const char *str);
+bool sym_set_string_value(struct symbol *sym, const char *newval);
+bool sym_is_changable(struct symbol *sym);
+struct property * sym_get_choice_prop(struct symbol *sym);
+const char * sym_get_string_value(struct symbol *sym);
 
-P(prop_get_type_name,const char *,(enum prop_type type));
+const char * prop_get_type_name(enum prop_type type);
 
 /* expr.c */
-P(expr_compare_type,int,(enum expr_type t1, enum expr_type t2));
-P(expr_print,void,(struct expr *e, void (*fn)(void *, struct symbol *, const char *), void *data, int prevtoken));
+void expr_print(struct expr *e, void (*fn)(void *, struct symbol *, const char *), void *data, int prevtoken);