soft locker: Need to monitor soft locker diff and control it [1/3]

PD#SWPL-124975

Problem:
Excessive soft locker diff values can lead to underrun.

Solution:
Add application to control PPM.

Verify:
AV400-A113X2.

Change-Id: Ia34cde125a05391c9d20a3b9d225e8abbd7238a3
Signed-off-by: jin.wang1 <jin.wang1@amlogic.com>
10 files changed