commit bb148bde upstream.

According to the bug report, FSC Amilo laptops with ALC880 can detect
the headphone jack but currently the driver disables it.  It's partly
intentionally, as non-working jack detect was reported in the past.
Let's enable now.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=102501Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>