global: Migrate CONFIG_FEC_MXC_PHYADDR to CFG

Perform a simple rename of CONFIG_FEC_MXC_PHYADDR to CFG_FEC_MXC_PHYADDR

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/mccmon6.h b/include/configs/mccmon6.h
index 436f5f0..6cc4937 100644
--- a/include/configs/mccmon6.h
+++ b/include/configs/mccmon6.h
@@ -31,7 +31,7 @@
 #define CFG_SYS_FLASH_BANKS_SIZES	{ (32 * SZ_1M) }
 
 /* Ethernet Configuration */
-#define CONFIG_FEC_MXC_PHYADDR		1
+#define CFG_FEC_MXC_PHYADDR		1
 
 #define CFG_EXTRA_ENV_SETTINGS \
 	"console=ttymxc0,115200 quiet\0" \