[media] fix kconfig dependency warning for VIDEO_TIMBERDALE

Fix kconfig unmet dependency warning:

warning: (VIDEO_TIMBERDALE) selects TIMB_DMA which has unmet direct dependencies (DMADEVICES && (MFD_TIMBERDALE || HAS_IOMEM))
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Pelagicore AB <info@pelagicore.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/Kconfig

@@ -687,7 +687,7 @@ config VIDEO_HEXIUM_GEMINI
 
 config VIDEO_TIMBERDALE
 	tristate "Support for timberdale Video In/LogiWIN"
-	depends on VIDEO_V4L2 && I2C
+	depends on VIDEO_V4L2 && I2C && DMADEVICES
 	select DMA_ENGINE
 	select TIMB_DMA
 	select VIDEO_ADV7180