[media] media: mx2_camera: Mark i.MX25 support as BROKEN

i.MX25 support is known to have been broken for almost a year.
Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/Kconfig

@@ -1183,7 +1183,7 @@ config VIDEO_MX2_HOSTSUPPORT
 
 config VIDEO_MX2
 	tristate "i.MX27/i.MX25 Camera Sensor Interface driver"
-	depends on VIDEO_DEV && SOC_CAMERA && (MACH_MX27 || ARCH_MX25)
+	depends on VIDEO_DEV && SOC_CAMERA && (MACH_MX27 || (ARCH_MX25 && BROKEN))
 	select VIDEOBUF2_DMA_CONTIG
 	select VIDEO_MX2_HOSTSUPPORT
 	---help---