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/imx6-engicam.h b/include/configs/imx6-engicam.h
index 36b6b95..4208ba9 100644
--- a/include/configs/imx6-engicam.h
+++ b/include/configs/imx6-engicam.h
@@ -24,7 +24,7 @@
 #endif
 
 /* Default environment */
-#define CONFIG_EXTRA_ENV_SETTINGS \
+#define CFG_EXTRA_ENV_SETTINGS \
 	"script=boot.scr\0" \
 	"splashpos=m,m\0" \
 	"splashimage=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \