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/mccmon6.h b/include/configs/mccmon6.h
index a7f5507..436f5f0 100644
--- a/include/configs/mccmon6.h
+++ b/include/configs/mccmon6.h
@@ -33,7 +33,7 @@
 /* Ethernet Configuration */
 #define CONFIG_FEC_MXC_PHYADDR		1
 
-#define CONFIG_EXTRA_ENV_SETTINGS \
+#define CFG_EXTRA_ENV_SETTINGS \
 	"console=ttymxc0,115200 quiet\0" \
 	"fdt_high=0xffffffff\0" \
 	"initrd_high=0xffffffff\0" \