vpp: improve the csc and dv switch flow and policy [1/1]

vpp: improve the csc and dv switch flow and policy [1/1]

PD#SWPL-13990

Problem:
There are some conflicts between csc and dv module switching.
Can not switch to SDR->DV when HDR core is working on SDR->SDR mode.

Solution:
1. Improve the switching policy. DV and csc will use same on.
2. add mute operation under dv mode.

Verify:
Verified on AC211

Change-Id: I4d59328fc34228a0ef5275d22643932c4dfe00b0
Signed-off-by: Brian Zhu <brian.zhu@amlogic.com>