Input: trackpoint - enable Synaptics trackpoints

Input: trackpoint - enable Synaptics trackpoints

BugLink: https://bugs.launchpad.net/bugs/1900632
[ Upstream commit 996d585b079ad494a30cac10e08585bcd5345125 ]

Add Synaptics IDs in trackpoint_start_protocol() to mark them as valid.

Signed-off-by: Vincent Huang <vincent.huang@tw.synaptics.com>
Fixes: 6c77545af100 ("Input: trackpoint - add new trackpoint variant IDs")
Reviewed-by: Harry Cutts <hcutts@chromium.org>
Tested-by: Harry Cutts <hcutts@chromium.org>
Link: https://lore.kernel.org/r/20200924053013.1056953-1-vincent.huang@tw.synaptics.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Ian May <ian.may@canonical.com>