camera: Pass the isp notification to correct mctl/config.

In concurrent camera use case, multiple mctl instances
coexist at the same time. isp notification needs
to be sent to proper mctl instances. The decision is
based on the interface from which the notification comes
from: PIX, RDI0, or RDI1.

Change-Id: Ieb3cdcc26c595871e1b9ffcc04c8d5c0ab4f210f
Signed-off-by: Shuzhen Wang <shuzhenw@codeaurora.org>
7 files changed