ARM: S5P6442: Add serial port support

This patch adds UART serial port support for S5P6442.

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/arch/arm/plat-s5p/dev-uart.c b/arch/arm/plat-s5p/dev-uart.c
index 23c7531..a89331e 100644
--- a/arch/arm/plat-s5p/dev-uart.c
+++ b/arch/arm/plat-s5p/dev-uart.c
@@ -95,6 +95,7 @@
 };
 
 static struct resource s5p_uart3_resource[] = {
+#if CONFIG_SERIAL_SAMSUNG_UARTS > 3
 	[0] = {
 		.start	= S5P_PA_UART3,
 		.end	= S5P_PA_UART3 + S5P_SZ_UART,
@@ -115,6 +116,7 @@
 		.end	= IRQ_S5P_UART_ERR3,
 		.flags	= IORESOURCE_IRQ,
 	},
+#endif
 };
 
 struct s3c24xx_uart_resources s5p_uart_resources[] __initdata = {