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/pico-imx6.h b/include/configs/pico-imx6.h
index 719b701..66258a3 100644
--- a/include/configs/pico-imx6.h
+++ b/include/configs/pico-imx6.h
@@ -38,7 +38,7 @@
 	"bootmenu_3=Boot using PICO-Nymph baseboard=" \
 		"setenv baseboard nymph; saveenv; run base_boot\0" \
 
-#define CONFIG_EXTRA_ENV_SETTINGS \
+#define CFG_EXTRA_ENV_SETTINGS \
 	"console=ttymxc0\0" \
 	"fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \
 	BOOTMENU_ENV \