scripts: add doorbell release flow. [4/4]

PD#SWPL-113397

Problem:
rtos release binary.

Solution:
add doorbell release flow.

Verify:
N/A

Change-Id: I01190a599172002ce09cce1c2b85ca78825c97fc
Signed-off-by: shijie.xiong <shijie.xiong@amlogic.com>
1 file changed