[media] timblogiw: fix kconfig & build error

timblogiw uses dma() interfaces and it selects TIMB_DMA for that
support.  However, drivers/dma/ is not built unless
CONFIG_DMA_ENGINE is enabled, so select/enable that symbol also.

drivers/built-in.o: In function `timblogiw_close':
timblogiw.c:(.text+0x4419fe): undefined reference to `dma_release_channel'
drivers/built-in.o: In function `buffer_release':
timblogiw.c:(.text+0x441a8d): undefined reference to `dma_sync_wait'
drivers/built-in.o: In function `timblogiw_open':
timblogiw.c:(.text+0x44212b): undefined reference to `__dma_request_channel'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/Kconfig

@@ -669,6 +669,7 @@ config VIDEO_HEXIUM_GEMINI
 config VIDEO_TIMBERDALE
 	tristate "Support for timberdale Video In/LogiWIN"
 	depends on VIDEO_V4L2 && I2C
+	select DMA_ENGINE
 	select TIMB_DMA
 	select VIDEO_ADV7180
 	select VIDEOBUF_DMA_CONTIG