global: Migrate CONFIG_EXTRA_ENV_SETTINGS to CFG

Perform a simple rename of CONFIG_EXTRA_ENV_SETTINGS to CFG_EXTRA_ENV_SETTINGS

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/devkit8000.h b/include/configs/devkit8000.h
index e3621fd..c522d33 100644
--- a/include/configs/devkit8000.h
+++ b/include/configs/devkit8000.h
@@ -22,7 +22,7 @@
 	DEFAULT_LINUX_BOOT_ENV
 
 /* Environment information */
-#define CONFIG_EXTRA_ENV_SETTINGS \
+#define CFG_EXTRA_ENV_SETTINGS \
 	MEM_LAYOUT_ENV_SETTINGS \
 	"console=ttyO2,115200n8\0" \
 	"mmcdev=0\0" \