Add support to create, release, signal and import
a dma fence. When a sync object is imported for a dma fence
signal the dma fence when signaling the sync object with
appropriate status. This is achieved by implementing
generic fence scheme. The change also adds support
for batched fences.
CRs-Fixed: 3207212
Change-Id: I23fbc0992281cfee0303e213a30bce138ae7bdff
Signed-off-by: Karthik Anantha Ram <quic_kartanan@quicinc.com>
