ARM: EXYNOS: Add watchdog timer clock instance

Add watchdog timer clock instance for EXYNOS5 watchdog controller.
Signed-off-by: NThomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

arch/arm/mach-exynos/clock-exynos5.c

@@ -473,6 +473,11 @@ static struct clk exynos5_init_clocks_off[] = {
 		.parent		= &exynos5_clk_aclk_66.clk,
 		.enable		= exynos5_clk_ip_peris_ctrl,
 		.ctrlbit	= (1 << 20),
+	}, {
+		.name		= "watchdog",
+		.parent		= &exynos5_clk_aclk_66.clk,
+		.enable		= exynos5_clk_ip_peris_ctrl,
+		.ctrlbit	= (1 << 19),
 	}, {
 		.name		= "hsmmc",
 		.devname	= "exynos4-sdhci.0",