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/syzygy_hub.h b/include/configs/syzygy_hub.h
index 7af7b08..e8a207f 100644
--- a/include/configs/syzygy_hub.h
+++ b/include/configs/syzygy_hub.h
@@ -10,7 +10,7 @@
 #ifndef __CONFIG_SYZYGY_HUB_H
 #define __CONFIG_SYZYGY_HUB_H
 
-#define CONFIG_EXTRA_ENV_SETTINGS       \
+#define CFG_EXTRA_ENV_SETTINGS       \
 	"fit_image=fit.itb\0"		\
 	"bitstream_image=download.bit\0"    \
 	"loadbit_addr=0x1000000\0"      \