BL30: S5: Support suspend/resume for s5 [2/3]

PD#SWPL-91081

Problem:
Porting the suspend/resume function

Solution:
Porting

Verify:
S5_AX208

Change-Id: I0a1920fb4ecc28c8c86582e8df079f863e55c0f1
Signed-off-by: binbin.wang <binbin.wang@amlogic.com>
6 files changed