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/ge_bx50v3.h b/include/configs/ge_bx50v3.h
index f62b8f1..32960fb 100644
--- a/include/configs/ge_bx50v3.h
+++ b/include/configs/ge_bx50v3.h
@@ -41,7 +41,7 @@
 
 #endif
 
-#define CONFIG_EXTRA_ENV_SETTINGS \
+#define CFG_EXTRA_ENV_SETTINGS \
 	NETWORKBOOT \
 	"image=/boot/fitImage\0" \
 	"dev=mmc\0" \