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/xea.h b/include/configs/xea.h
index a3dc0c7..04ca5aa 100644
--- a/include/configs/xea.h
+++ b/include/configs/xea.h
@@ -27,7 +27,7 @@
 
 /* Extra Environment */
 
-#define CONFIG_EXTRA_ENV_SETTINGS					\
+#define CFG_EXTRA_ENV_SETTINGS					\
 	"bootmode=update\0"						\
 	"bootpri=mmc_mmc\0"						\
 	"bootsec=sf_swu\0"						\