V4L/DVB (11425): gspca - m5602: Move the vflip quirk to probe stage.

The vflip quirk is better checked at probe time as it's only needed once.
Also add an extra reset at init time to resolve a suspend to ram regression.

Signed-off-by: Erik Andr?n <erik.andren@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>