On KMB, ADV bridge must be programmed and powered on prior to
MIPI DSI HW initialization.

v2: changed to atomic_bridge_chain_enable (Sam)

Fixes: 98521f4d ("drm/kmb: Mipi DSI part of the display driver")
Co-developed-by: NEdmund Dea <edmund.j.dea@intel.com>
Signed-off-by: NEdmund Dea <edmund.j.dea@intel.com>
Signed-off-by: NAnitha Chrisanthus <anitha.chrisanthus@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211019230719.789958-1-anitha.chrisanthus@intel.comAcked-by: NSam Ravnborg <sam@ravnborg.org>
Signed-off-by: NMaarten Lankhorst <maarten.lankhorst@linux.intel.com>