ALSA: hda - Fix headset mic and mic-in for a Dell desktop

ALC662 does not need any special verbs to change the jack functionality,
and enables mic in through the headphone jack mode by changing the
direction of the headphone pin node.

BugLink: https://bugs.launchpad.net/bugs/1454235


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