V4L/DVB (3354): VIDEO_SAA7134_ALSA shouldn't select SND_PCM_OSS

- There's no reason for an ALSA driver to select an OSS legacy userspace
interface.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>