ARM: S5P6442: Add Watchdog support for S5P6442

This patch adds support for Watchdog timer for Samsung S5P6442.

Signed-off-by: Banajit Goswami <banajit.g@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/arch/arm/mach-s5p6442/clock.c b/arch/arm/mach-s5p6442/clock.c
index 087e57f..dcd20f1 100644
--- a/arch/arm/mach-s5p6442/clock.c
+++ b/arch/arm/mach-s5p6442/clock.c
@@ -361,6 +361,12 @@
 		.enable		= s5p6442_clk_ip3_ctrl,
 		.ctrlbit	= (1<<19),
 	}, {
+		.name		= "watchdog",
+		.id		= -1,
+		.parent		= &clk_pclkd1,
+		.enable		= s5p6442_clk_ip3_ctrl,
+		.ctrlbit	= (1 << 22),
+	}, {
 		.name		= "timers",
 		.id		= -1,
 		.parent		= &clk_pclkd1,