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/stmark2.h b/include/configs/stmark2.h
index ce941d8..fe2ba9a 100644
--- a/include/configs/stmark2.h
+++ b/include/configs/stmark2.h
@@ -13,7 +13,7 @@
 #define LDS_BOARD_TEXT						\
 	board/sysam/stmark2/sbf_dram_init.o (.text*)
 
-#define CONFIG_EXTRA_ENV_SETTINGS				\
+#define CFG_EXTRA_ENV_SETTINGS				\
 	"kern_size=0x700000\0"					\
 	"loadaddr=0x40001000\0"					\
 		"-(rootfs)\0"					\