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/trats2.h b/include/configs/trats2.h
index 18fca09..9925531 100644
--- a/include/configs/trats2.h
+++ b/include/configs/trats2.h
@@ -55,7 +55,7 @@
 	"params.bin raw 0x38 0x8;" \
 	"/Image.itb ext4 0 2\0"
 
-#define CONFIG_EXTRA_ENV_SETTINGS \
+#define CFG_EXTRA_ENV_SETTINGS \
 	"bootk=" \
 		"run loaduimage;" \
 		"if run loaddtb; then " \