[media] exynos-gsc: Enable driver on ARCH_EXYNOS

This driver can be also used on Exynos5433, which is ARM64-based
platform, which selects only ARCH_EXYNOS symbol.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Tested-by: Javier Martinez Canillas <javier@osg.samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/platform/Kconfig

@@ -266,7 +266,7 @@ config VIDEO_MX2_EMMAPRP
 config VIDEO_SAMSUNG_EXYNOS_GSC
 	tristate "Samsung Exynos G-Scaler driver"
 	depends on VIDEO_DEV && VIDEO_V4L2
-	depends on ARCH_EXYNOS5 || COMPILE_TEST
+	depends on ARCH_EXYNOS || COMPILE_TEST
 	depends on HAS_DMA
 	select VIDEOBUF2_DMA_CONTIG
 	select V4L2_MEM2MEM_DEV