media: imx: Decouple imx8mq-mipi-csi2 from imx7-media-csi

The imx8mq-mipi-csi2 driver targets SoCs that also run the
imx7-media-csi driver, but they are distinct. Decouple them in Kconfig
to prepare for destaging of the imx7-media-csi driver.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/staging/media/imx/Kconfig

@@ -32,3 +32,13 @@ config VIDEO_IMX7_CSI
 	  i.MX6UL/L, i.MX7 or i.MX8M.
 endmenu
 endif
+
+config VIDEO_IMX8MQ_MIPI_CSI2
+	tristate "NXP i.MX8MQ MIPI CSI-2 receiver"
+	depends on ARCH_MXC || COMPILE_TEST
+	depends on VIDEO_DEV
+	select MEDIA_CONTROLLER
+	select V4L2_FWNODE
+	select VIDEO_V4L2_SUBDEV_API
+	help
+	  V4L2 driver for the MIPI CSI-2 receiver found in the i.MX8MQ SoC.

drivers/staging/media/imx/Makefile

@@ -15,4 +15,4 @@ obj-$(CONFIG_VIDEO_IMX_CSI) += imx6-media-csi.o
 obj-$(CONFIG_VIDEO_IMX_CSI) += imx6-mipi-csi2.o
 
 obj-$(CONFIG_VIDEO_IMX7_CSI) += imx7-media-csi.o
-obj-$(CONFIG_VIDEO_IMX7_CSI) += imx8mq-mipi-csi2.o
+obj-$(CONFIG_VIDEO_IMX8MQ_MIPI_CSI2) += imx8mq-mipi-csi2.o