autoboot.c: Move config options to Kconfig

This patch moves the following config options to Kconfig:

CONFIG_AUTOBOOT_KEYED
CONFIG_AUTOBOOT_PROMPT
CONFIG_AUTOBOOT_DELAY_STR
CONFIG_AUTOBOOT_STOP_STR
AUTOBOOT_KEYED_CTRLC

Signed-off-by: Stefan Roese <sr@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
[trini: Drop ip04 and pm9263 configs/ additions, those boards previously
 set CONFIG_AUTOBOOT_PROMPT but never used it, re-run savedefconfig over
 all boards that did change. Make digsy_mtc_* string include seconds to
 match others and not warn. ]
Signed-off-by: Tom Rini <trini@konsulko.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/include/configs/stv0991.h b/include/configs/stv0991.h
index 888d29c..d8f51d8 100644
--- a/include/configs/stv0991.h
+++ b/include/configs/stv0991.h
@@ -74,10 +74,7 @@
 
 #define CONFIG_BOOTDELAY                       3
 #define CONFIG_BOOTCOMMAND                     "go 0x40040000"
-#define CONFIG_AUTOBOOT_KEYED
-#define CONFIG_AUTOBOOT_STOP_STR               " "
-#define CONFIG_AUTOBOOT_PROMPT                 \
-	"Hit SPACE in %d seconds to stop autoboot.\n", bootdelay
+
 #define CONFIG_OF_SEPARATE
 #define CONFIG_OF_CONTROL
 #define CONFIG_OF_LIBFDT