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/mx6cuboxi.h b/include/configs/mx6cuboxi.h
index d4af96b..871d52c 100644
--- a/include/configs/mx6cuboxi.h
+++ b/include/configs/mx6cuboxi.h
@@ -19,7 +19,7 @@
 
 /* Command definition */
 
-#define CONFIG_MXC_UART_BASE	UART1_BASE
+#define CFG_MXC_UART_BASE	UART1_BASE
 
 #define CFG_EXTRA_ENV_SETTINGS \
 	"som_rev=undefined\0" \