media: platform: rkisp1: move config to its own file

In order to better organize the platform/Kconfig, place
rkisp1-specific config stuff on a separate Kconfig file.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/platform/Kconfig

@@ -59,6 +59,7 @@ source "drivers/media/platform/qcom/venus/Kconfig"
 
 source "drivers/media/platform/aspeed/Kconfig"
 source "drivers/media/platform/rockchip/rga/Kconfig"
+source "drivers/media/platform/rockchip/rkisp1/Kconfig"
 source "drivers/media/platform/s3c-camif/Kconfig"
 source "drivers/media/platform/s5p-g2d/Kconfig"
 source "drivers/media/platform/sti/hva/Kconfig"
@@ -82,25 +83,6 @@ config VIDEO_MUX
 
 source "drivers/media/platform/intel/Kconfig"
 
-config VIDEO_ROCKCHIP_ISP1
-	tristate "Rockchip Image Signal Processing v1 Unit driver"
-	depends on V4L_PLATFORM_DRIVERS
-	depends on VIDEO_V4L2 && OF
-	depends on ARCH_ROCKCHIP || COMPILE_TEST
-	select MEDIA_CONTROLLER
-	select VIDEO_V4L2_SUBDEV_API
-	select VIDEOBUF2_DMA_CONTIG
-	select VIDEOBUF2_VMALLOC
-	select V4L2_FWNODE
-	select GENERIC_PHY_MIPI_DPHY
-	default n
-	help
-	  Enable this to support the Image Signal Processing (ISP) module
-	  present in RK3399 SoCs.
-
-	  To compile this driver as a module, choose M here: the module
-	  will be called rockchip-isp1.
-
 source "drivers/media/platform/exynos4-is/Kconfig"
 source "drivers/media/platform/am437x/Kconfig"
 source "drivers/media/platform/xilinx/Kconfig"

drivers/media/platform/rockchip/rkisp1/Kconfig

+# SPDX-License-Identifier: GPL-2.0-only
+config VIDEO_ROCKCHIP_ISP1
+	tristate "Rockchip Image Signal Processing v1 Unit driver"
+	depends on V4L_PLATFORM_DRIVERS
+	depends on VIDEO_V4L2 && OF
+	depends on ARCH_ROCKCHIP || COMPILE_TEST
+	select MEDIA_CONTROLLER
+	select VIDEO_V4L2_SUBDEV_API
+	select VIDEOBUF2_DMA_CONTIG
+	select VIDEOBUF2_VMALLOC
+	select V4L2_FWNODE
+	select GENERIC_PHY_MIPI_DPHY
+	default n
+	help
+	  Enable this to support the Image Signal Processing (ISP) module
+	  present in RK3399 SoCs.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called rockchip-isp1.