global: Migrate CONFIG_MXC_UART_BASE to CFG

Perform a simple rename of CONFIG_MXC_UART_BASE to CFG_MXC_UART_BASE

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/mccmon6.h b/include/configs/mccmon6.h
index 6cc4937..b64bf93 100644
--- a/include/configs/mccmon6.h
+++ b/include/configs/mccmon6.h
@@ -17,7 +17,7 @@
  * mode from SD card (SD2)
  */
 
-#define CONFIG_MXC_UART_BASE		UART1_BASE
+#define CFG_MXC_UART_BASE		UART1_BASE
 
 /* MMC Configuration */
 #define CFG_SYS_FSL_USDHC_NUM	2