[media] media: tvp5150: Fix mbus format

According to p.14 fig 3-3 of the datasheet (SLES098A)
this decoder transmits data in UYVY format.

Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>