fbdev: sh_mobile_hdmi: fix compilation without SOUND enabled

At least two more Kconfig options have to be selected to be able to compile
sh_mobile_hdmi.
Signed-off-by: NGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: NLiam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

drivers/video/Kconfig

@@ -1919,6 +1919,8 @@ config FB_SH_MOBILE_HDMI
 	tristate "SuperH Mobile HDMI controller support"
 	depends on FB_SH_MOBILE_LCDC
 	select FB_MODE_HELPERS
+	select SOUND
+	select SND
 	select SND_SOC
 	---help---
 	  Driver for the on-chip SH-Mobile HDMI controller.