rtos_sdk: docs: add aocpu wakeup flow [1/1]

PD#SWPL-132819

Problem:
add aocpu wakeup flow docs.

Solution:
add aocpu wakeup flow docs in arch/riscv.

Verify:
make docs

Change-Id: I24118cbaaf92e35104fbc730fa9fe6d0f1e62c73
Signed-off-by: bangzheng.liu <bangzheng.liu@amlogic.com>
1 file changed