media: staging: media: allegro-dvt: remove bool comparison

Bool tests don't need comparisons. Issue found by coccicheck.

Signed-off-by: Cristiane Naves <cristianenavescardoso09@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>