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/T4240RDB.h b/include/configs/T4240RDB.h
index 41565f2..22cbf92 100644
--- a/include/configs/T4240RDB.h
+++ b/include/configs/T4240RDB.h
@@ -368,7 +368,7 @@
 #define CTRL_INTLV_PREFERED cacheline
 #endif
 
-#define	CONFIG_EXTRA_ENV_SETTINGS				\
+#define	CFG_EXTRA_ENV_SETTINGS				\
 	"hwconfig=fsl_ddr:"					\
 	"ctlr_intlv=" __stringify(CTRL_INTLV_PREFERED) ","	\
 	"bank_intlv=auto;"					\