msm: camera: common: Add device caps for full devices during probe

The v4l2 registration requires all devices that are not subdevs
to have device caps field to be non zero. Add device caps for
CRM and SYNC devices during probe.

CRs-Fixed: 2582994
Change-Id: I804e7bc00d597debc39d1f71259cf607c60ed069
Signed-off-by: Mukund Madhusudan Atre <matre@codeaurora.org>