ARM: EXYNOS: Hook up G2D PD to generic PD infrastructure

Add G2D power domain (PD) to generic power domain infrastructure.
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

arch/arm/mach-exynos/pm_domains.c

@@ -182,6 +182,9 @@ static __init int exynos4_pm_init_power_domain(void)
 #endif
 #ifdef CONFIG_S5P_DEV_CSIS1
 	exynos_pm_add_dev_to_genpd(&s5p_device_mipi_csis1, &exynos4_pd_cam);
+#endif
+#ifdef CONFIG_S5P_DEV_G2D
+	exynos_pm_add_dev_to_genpd(&s5p_device_g2d, &exynos4_pd_lcd0);
 #endif
 	return 0;
 }