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/wandboard.h b/include/configs/wandboard.h
index 6923009..1e76543 100644
--- a/include/configs/wandboard.h
+++ b/include/configs/wandboard.h
@@ -20,7 +20,7 @@
 #define CONFIG_MXC_USB_PORTSC		(PORT_PTS_UTMI | PORT_PTS_PTW)
 #define CONFIG_MXC_USB_FLAGS		0
 
-#define CONFIG_EXTRA_ENV_SETTINGS \
+#define CFG_EXTRA_ENV_SETTINGS \
 	"console=ttymxc0\0" \
 	"splashpos=m,m\0" \
 	"splashimage=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \