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/mt8518.h b/include/configs/mt8518.h
index 8a8bc85..d6bd1a1 100644
--- a/include/configs/mt8518.h
+++ b/include/configs/mt8518.h
@@ -33,7 +33,7 @@
 	"serial#=1234567890ABCDEF\0" \
 	"board=mt8518\0"
 
-#define CONFIG_EXTRA_ENV_SETTINGS \
+#define CFG_EXTRA_ENV_SETTINGS \
 	"fdt_high=0x6c000000\0" \
 	ENV_DEVICE_SETTINGS \
 	ENV_BOOT_READ_IMAGE \