V4L/DVB (7835): multimedia/video: fix au0828 Kconfig

Fix undefined references in au0828:
  depends on USB and select VIDEO_TVEEPROM

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/au0828/Kconfig

@@ -1,7 +1,7 @@
 
 config VIDEO_AU0828
 	tristate "Auvitek AU0828 support"
-       depends on VIDEO_DEV && I2C && INPUT && DVB_CORE
+	depends on VIDEO_DEV && I2C && INPUT && DVB_CORE && USB
 	select I2C_ALGOBIT
 	select VIDEO_TVEEPROM
 	select DVB_AU8522 if !DVB_FE_CUSTOMIZE