The default configuration for ml507 will generate a hang() in the
Xilinx uartlite driver.
userial_ports[] in drivers/serial/serial_xuartlite.c does not get
initialized properly. CONFIG_SERIAL_BASE is unused.
XILINX_UARTLITE_BASEADDR is used instead.
Signed-off-by: Rommel Custodio <sessyargc+uboot@gmail.com>
 /* serial communication */
 #ifdef XPAR_UARTLITE_0_BASEADDR
 #define CONFIG_XILINX_UARTLITE
-#define CONFIG_SERIAL_BASE             XPAR_UARTLITE_0_BASEADDR
+#define XILINX_UARTLITE_BASEADDR       XPAR_UARTLITE_0_BASEADDR
 #define CONFIG_BAUDRATE                        XPAR_UARTLITE_0_BAUDRATE
 #define CONFIG_SYS_BAUDRATE_TABLE      { CONFIG_BAUDRATE }
 #else