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/hsdk-4xd.h b/include/configs/hsdk-4xd.h
index 59ea896..f59da41 100644
--- a/include/configs/hsdk-4xd.h
+++ b/include/configs/hsdk-4xd.h
@@ -37,7 +37,7 @@
 /*
  * Environment settings
  */
-#define CONFIG_EXTRA_ENV_SETTINGS \
+#define CFG_EXTRA_ENV_SETTINGS \
 	"upgrade=if mmc rescan && " \
 		"fatload mmc 0:1 ${loadaddr} u-boot-update.scr && " \
 		"iminfo ${loadaddr} && source ${loadaddr}; then; else echo " \