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/rastaban.h b/include/configs/rastaban.h
index 59d56d6..777df4c 100644
--- a/include/configs/rastaban.h
+++ b/include/configs/rastaban.h
@@ -38,7 +38,7 @@
 #define EEPROM_ADDR_CHIP 0x120
 
 /* Default env settings */
-#define CONFIG_EXTRA_ENV_SETTINGS \
+#define CFG_EXTRA_ENV_SETTINGS \
 	"hostname=rastaban\0" \
 	"ubi_off=2048\0"\
 	"nand_img_size=0x400000\0" \