SoC t5m: bl30: add aocpu alive detection mechanism [1/2]

PD#SWPL-155395

Problem:
CPU would hang when bl31/bl33/kernel communicate with
bl30/AOCPU that we could not confirm the reason.

Solution:
Add aocpu alive detection mechanism.

Verify:
T5M_AY301

Change-Id: I7b78b1bb90681a847669d1b5dfadc005984b9876
Signed-off-by: Yao Jie <jie.yao@amlogic.com>
1 file changed