drm/bridge: lt9611: set reset gpio initial value to high

Since reset gpio is active low, initialize with high to
avoid unnecessary trigger.

Change-Id: Ice021f75a7d569a0fa3d7b26a58bb5e3ff1b5960
Signed-off-by: Venkata Prahlad Valluru <vvalluru@codeaurora.org>
Signed-off-by: Chirag Khurana <ckhurana@codeaurora.org>