ALSA: HDA: Fix microphone(s) on Lenovo Edge 13

BugLink: http://bugs.launchpad.net/bugs/708521



This Edge 13 model has an internal mic at 0x1a and should
therefore use the asus quirk.

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