camera: vfe32: Add RDI reg update ack notification.

RDI and PIX have different timing characteristics.
They should not share the same START_ACK notification.
Add rdi0, rdi1, rdi2 reg update ack notifications.

Change-Id: Id36b52ae5cf98f5f9f86e92028ec7ab0e7427a23
Signed-off-by: Shuzhen Wang <shuzhenw@codeaurora.org>
3 files changed