SoC s7d: bl30 add aocpu alive detection mechanism [1/2]

PD#SWPL-163760

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:
S7D-BM209

Change-Id: I2b3afc93e158ac7a8b0985cbcc20df861f956a4b
Signed-off-by: Yao Jie <jie.yao@amlogic.com>
1 file changed