serial: xuartps: Fix register space size.

The register space size is 0x1000, and this value [not 0xfff] should be
provided to request_mem_region(), ioremap(), etc.

Signed-off-by: Thomas Betker <thomas.betker@rohde-schwarz.com>
Reviewed-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/xilinx_uartps.c

@@ -37,7 +37,7 @@
 #define CDNS_UART_MINOR		0	/* works best with devtmpfs */
 #define CDNS_UART_NR_PORTS	2
 #define CDNS_UART_FIFO_SIZE	64	/* FIFO size */
-#define CDNS_UART_REGISTER_SPACE	0xFFF
+#define CDNS_UART_REGISTER_SPACE	0x1000
 
 #define cdns_uart_readl(offset)		ioread32(port->membase + offset)
 #define cdns_uart_writel(val, offset)	iowrite32(val, port->membase + offset)