V4L/DVB (3447): Cx88-cards.c: fix values of gpio0 for card CX88_BOARD_PROLINK_PLAYTVPVR

This patch changes the gpio0 values for the card CX88_BOARD_PROLINK_PLAYTVPVR
to the ones observed using RegSpy from the dscaler project.

Signed-off-by: Matheus Izvekov <mizvekov@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>