audio: LLP 6ch failed. [1/1]

PD#SWPL-189655

Problem:
latency exceeding the threshold.

Solution:
1. LLP MCH mode modify the ch_mask to 5.1,
to avoid acmod/lfeon update not intime.
2. spdifout_close do not set restart_device_flag,
when next output is mch output.

Verify:
Yocto: :AP222

Change-Id: I9dc15ebaabc912ba524c491005013bf2e2dd70ef
Signed-off-by: xingri.gao <xingri.gao@amlogic.com>
3 files changed