[FIX] Xilinx Uartlite driver

Because PPC405 can use UARTLITE serial interface and
Microblaze can use Uart16550 serial interface not only Uartlite.

drivers/serial_xuartlite.c

@@ -24,7 +24,7 @@
 
 #include <config.h>
 
-#ifdef	CONFIG_MICROBLAZE
+#ifdef	XILINX_UARTLITE
 
 #include <asm/serial_xuartlite.h>
 

include/configs/ml401.h

@@ -32,6 +32,7 @@
 #define	CONFIG_ML401		1	/* ML401 Board */
 
 /* uart */
+#define	XILINX_UARTLITE
 #define	CONFIG_SERIAL_BASE	XILINX_UART_BASEADDR
 #define	CONFIG_BAUDRATE		XILINX_UART_BAUDRATE
 #define	CFG_BAUDRATE_TABLE	{ CONFIG_BAUDRATE }

include/configs/suzaku.h

@@ -48,6 +48,7 @@
 #define CFG_MALLOC_LEN		(256 << 10)	/* Reserve 256 kB for malloc */
 #define CFG_MALLOC_BASE		(CFG_MONITOR_BASE - (1024 * 1024))
 
+#define XILINX_UARTLITE
 #define CONFIG_BAUDRATE		115200
 #define CFG_BAUDRATE_TABLE	{ 115200 }
 

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 }