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/nsa310s.h b/include/configs/nsa310s.h
index e2ad770..fa029a1 100644
--- a/include/configs/nsa310s.h
+++ b/include/configs/nsa310s.h
@@ -36,7 +36,7 @@
 
 #include <config_distro_bootcmd.h>
 
-#define CONFIG_EXTRA_ENV_SETTINGS \
+#define CFG_EXTRA_ENV_SETTINGS \
 	"console=console=ttyS0,115200\0" \
 	"kernel=/boot/zImage\0" \
 	"fdt=/boot/nsa310s.dtb\0" \