ALSA: hda - fix the headset mic detection problem for a Dell laptop

The machine uses codec alc255, and the pin configuration value for
pin 0x14 on this machine is 0x90171130 which is not in the pin quirk
table yet.

Cc: stable@vger.kernel.org
BugLink: https://bugs.launchpad.net/bugs/1533461


Signed-off-by: Hui Wang <hui.wang@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>