media: platform: exynos-gsc: move config to its own file

In order to better organize the platform/Kconfig, place
exynos-gsc-specific config stuff on a separate Kconfig file.
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/platform/Kconfig

@@ -46,6 +46,7 @@ source "drivers/media/platform/cadence/Kconfig"
 source "drivers/media/platform/coda/Kconfig"
 source "drivers/media/platform/davinci/Kconfig"
 
+source "drivers/media/platform/exynos-gsc/Kconfig"
 source "drivers/media/platform/omap/Kconfig"
 
 source "drivers/media/platform/aspeed/Kconfig"
@@ -317,16 +318,6 @@ config VIDEO_SAMSUNG_S5P_MFC
 	help
 	    MFC 5.1 and 6.x driver for V4L2
 
-config VIDEO_SAMSUNG_EXYNOS_GSC
-	tristate "Samsung Exynos G-Scaler driver"
-	depends on V4L_MEM2MEM_DRIVERS
-	depends on VIDEO_DEV && VIDEO_V4L2
-	depends on ARCH_EXYNOS || COMPILE_TEST
-	select VIDEOBUF2_DMA_CONTIG
-	select V4L2_MEM2MEM_DEV
-	help
-	  This is a v4l2 driver for Samsung EXYNOS5 SoC G-Scaler.
-
 config VIDEO_STI_BDISP
 	tristate "STMicroelectronics BDISP 2D blitter driver"
 	depends on V4L_MEM2MEM_DRIVERS

drivers/media/platform/exynos-gsc/Kconfig

+# SPDX-License-Identifier: GPL-2.0-only
+config VIDEO_SAMSUNG_EXYNOS_GSC
+	tristate "Samsung Exynos G-Scaler driver"
+	depends on V4L_MEM2MEM_DRIVERS
+	depends on VIDEO_DEV && VIDEO_V4L2
+	depends on ARCH_EXYNOS || COMPILE_TEST
+	select VIDEOBUF2_DMA_CONTIG
+	select V4L2_MEM2MEM_DEV
+	help
+	  This is a v4l2 driver for Samsung EXYNOS5 SoC G-Scaler.