m68knommu: fix 5249 ColdFire UART setup

The ICR registers of the 5249 ColdFire processor are 8bits, not 32bits.
Fix the read/write of these register to be the correct size.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>

arch/m68knommu/platform/5249/config.c

@@ -51,11 +51,11 @@ static struct platform_device *m5249_devices[] __initdata = {
 static void __init m5249_uart_init_line(int line, int irq)
 {
 	if (line == 0) {
-		writel(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI1, MCF_MBAR + MCFSIM_UART1ICR);
+		writeb(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI1, MCF_MBAR + MCFSIM_UART1ICR);
 		writeb(irq, MCFUART_BASE1 + MCFUART_UIVR);
 		mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_UART1);
 	} else if (line == 1) {
-		writel(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI2, MCF_MBAR + MCFSIM_UART2ICR);
+		writeb(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI2, MCF_MBAR + MCFSIM_UART2ICR);
 		writeb(irq, MCFUART_BASE2 + MCFUART_UIVR);
 		mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_UART2);
 	}