a5: A5 suspend/resume fow with mailbox in new sdk [1/7]

PD#SWPL-79523

Problem:
A5 suspend/resume fow with mailbox for bl30 new SDK.

Solution:
Modify code.

Verify:
a5_av409

Change-Id: Ib22101b0facf31fff92ce139000d2e7ed70e342b
Signed-off-by: Jianyi Shi <jianyi.shi@amlogic.com>
3 files changed