ALSA: hda - Limit internal mic boost for a few more Thinkpad machines

The higher mic boosts (on internal mic) are so noisy they're unusable
in practice.

BugLink: https://bugs.launchpad.net/bugs/1213820


Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>