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/iot2050.h b/include/configs/iot2050.h
index 0f6150f..7d08741 100644
--- a/include/configs/iot2050.h
+++ b/include/configs/iot2050.h
@@ -40,7 +40,7 @@
 
 #include <config_distro_bootcmd.h>
 
-#define CONFIG_EXTRA_ENV_SETTINGS					\
+#define CFG_EXTRA_ENV_SETTINGS					\
 	DEFAULT_LINUX_BOOT_ENV						\
 	BOOTENV								\
 	EXTRA_ENV_IOT2050_BOARD_SETTINGS