global: Migrate CONFIG_BOARDDIR to CFG

Perform a simple rename of CONFIG_BOARDDIR to CFG_BOARDDIR

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/sh/cpu/u-boot.lds b/arch/sh/cpu/u-boot.lds
index d360eea..c31deec 100644
--- a/arch/sh/cpu/u-boot.lds
+++ b/arch/sh/cpu/u-boot.lds
@@ -35,7 +35,7 @@
 	.text :
 	{
 		KEEP(*/start.o		(.text))
-		KEEP(CONFIG_BOARDDIR/lowlevel_init.o	(.text .spiboot1.text))
+		KEEP(CFG_BOARDDIR/lowlevel_init.o	(.text .spiboot1.text))
 		KEEP(*(.spiboot2.text))
 		. = ALIGN(8192);
 #ifdef CONFIG_ENV_IS_IN_FLASH
diff --git a/doc/README.kwbimage b/doc/README.kwbimage
index 762b2e3..a1d247c 100644
--- a/doc/README.kwbimage
+++ b/doc/README.kwbimage
@@ -42,7 +42,7 @@
 	kwbimage.cfg.  The name can be set as part of the full path
 	to the file using CONFIG_SYS_KWD_CONFIG (probably in
 	include/configs/<yourboard>.h).   The path should look like:
-	$(CONFIG_BOARDDIR)/<yourkwbimagename>.cfg
+	$(CFG_BOARDDIR)/<yourkwbimagename>.cfg
 2. This file can have empty lines and lines starting with "#" as first
 	character to put comments
 3. This file can have configuration command lines as mentioned below,
diff --git a/scripts/Makefile.autoconf b/scripts/Makefile.autoconf
index 5a4a148..f5f5e4a 100644
--- a/scripts/Makefile.autoconf
+++ b/scripts/Makefile.autoconf
@@ -112,7 +112,7 @@
 # Prior to Kconfig, it was generated by mkconfig. Now it is created here.
 define filechk_config_h
 	(echo "/* Automatically generated - do not edit */";		\
-	echo \#define CONFIG_BOARDDIR board/$(if $(VENDOR),$(VENDOR)/)$(BOARD);\
+	echo \#define CFG_BOARDDIR board/$(if $(VENDOR),$(VENDOR)/)$(BOARD);\
 	echo \#include \<config_uncmd_spl.h\>;				\
 	echo \#include \<configs/$(CONFIG_SYS_CONFIG_NAME).h\>;		\
 	echo \#include \<asm/config.h\>;				\