drm/exynos: rotator: Convert driver to IPP v2 core API

This patch adapts Exynos DRM rotator driver to new IPP v2 core API.
The side effect of this conversion is a switch to driver component API
to register properly in the Exynos DRM core.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

drivers/gpu/drm/exynos/Kconfig

@@ -106,7 +106,7 @@ config DRM_EXYNOS_FIMC
 
 config DRM_EXYNOS_ROTATOR
 	bool "Rotator"
-	depends on BROKEN
+	select DRM_EXYNOS_IPP
 	help
 	  Choose this option if you want to use Exynos Rotator for DRM.
 

drivers/gpu/drm/exynos/exynos_drm_drv.c

@@ -263,6 +263,7 @@ static struct exynos_drm_driver_info exynos_drm_drivers[] = {
 		DRV_PTR(fimc_driver, CONFIG_DRM_EXYNOS_FIMC),
 	}, {
 		DRV_PTR(rotator_driver, CONFIG_DRM_EXYNOS_ROTATOR),
+		DRM_COMPONENT_DRIVER
 	}, {
 		DRV_PTR(gsc_driver, CONFIG_DRM_EXYNOS_GSC),
 	}, {