alsa_settings: PTLH_HDA_AIOC.sh: fix mic source

Add explicit set for capture source to ensure the capture is done from
the headset mic. Test cases (like alsabat) expect the HDA codec to be
attached to a analog loopback cable.

Also fix a stray '~' character in the script.

Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>

Author: kv2019i

alsa_settings/PTLH_HDA_AIOC.sh

@@ -9,5 +9,4 @@ amixer -c sofhdadsp cset name='Headphone Playback Volume' 60
 # enable headset capture
 amixer -c sofhdadsp cset name='Capture Switch' on
 amixer -c sofhdadsp cset name='Capture Volume' 30
-~
-
+amixer -c sofhdadsp cset name='Capture Source' 2