configs: SDM660: Update max mic count and ACDB ID of speaker

-SDM660 internal codec variant MTPs support quad mic, hence update the
max mic count to 4.
-Also internal codec MTP has stereo speakers, hence update the ACDB id
for the same.

Change-Id: Ie6df074f344a48dfc9a7daa14d18a01c39c57214
1 file changed