media: nxp: Restrict VIDEO_IMX_MIPI_CSIS to ARCH_MXC or COMPILE_TEST

The imx-mipi-csis driver is specific to NXP platforms. Restrict it to
those by default, and enable compilation with COMPILE_TEST to keep a
wide test coverage.

Link: https://lore.kernel.org/linux-media/20220318203735.5923-1-laurent.pinchart+renesas@ideasonboard.com
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
diff --git a/drivers/media/platform/nxp/Kconfig b/drivers/media/platform/nxp/Kconfig
index 7473096f..28f2baf 100644
--- a/drivers/media/platform/nxp/Kconfig
+++ b/drivers/media/platform/nxp/Kconfig
@@ -6,6 +6,7 @@
 
 config VIDEO_IMX_MIPI_CSIS
 	tristate "NXP MIPI CSI-2 CSIS receiver found on i.MX7 and i.MX8 models"
+	depends on ARCH_MXC || COMPILE_TEST
 	select MEDIA_CONTROLLER
 	select V4L2_FWNODE
 	select VIDEO_V4L2_SUBDEV_API