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/tqma6_mba6.h b/include/configs/tqma6_mba6.h
index 899c218..a5f14dc 100644
--- a/include/configs/tqma6_mba6.h
+++ b/include/configs/tqma6_mba6.h
@@ -9,7 +9,7 @@
 #ifndef __CONFIG_TQMA6_MBA6_H
 #define __CONFIG_TQMA6_MBA6_H
 
-#define CONFIG_FEC_MXC_PHYADDR		0x03
+#define CFG_FEC_MXC_PHYADDR		0x03
 
 #define CONFIG_MXC_UART_BASE		UART2_BASE
 #define CONSOLE_DEV		"ttymxc1"