[FIX] Xilinx Uartlite driver
Because PPC405 can use UARTLITE serial interface and
Microblaze can use Uart16550 serial interface not only Uartlite.
diff --git a/include/configs/xupv2p.h b/include/configs/xupv2p.h
index 25fa495..bac31f4 100644
--- a/include/configs/xupv2p.h
+++ b/include/configs/xupv2p.h
@@ -32,6 +32,7 @@
 
 /* uart */
 #ifdef XILINX_UARTLITE_BASEADDR
+#define	XILINX_UARTLITE
 #define	CONFIG_SERIAL_BASE	XILINX_UARTLITE_BASEADDR
 #define	CONFIG_BAUDRATE		XILINX_UARTLITE_BAUDRATE
 #define	CFG_BAUDRATE_TABLE	{ CONFIG_BAUDRATE }