rockchip: Fix the broken Video out for rk3288 boards

rockchip: Fix the broken Video out for rk3288 boards

Video out on RK3288 boards has been broken since from few
releases due to the adding of reset support on vop but
missed enabling DM_RESET on associated boards.

This patch fixes those RK3288 boards.

Cc: Simon Glass <sjg@chromium.org>
Cc: Lin Huang <hl@rock-chips.com>
Cc: Jernej Skrabec <jernej.skrabec@gmail.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Cc: Arnaud Patard (Rtp) <arnaud.patard@rtp-net.org>
Fixes: <cd3a29622ee6> ("rockchip: video: vop: Add reset support")
Reported-by: Manoj Sai <abbaraju.manojsai@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Simon Glass <sjg@chromium.org>