ALSA: hda - Fix white noise on Asus N750JV headphone

For reducing the noise from the headphone output on ASUS N750JV,
call the existing fixup, alc_fixup_auto_mute_via_amp(), additionally.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=115181


Signed-off-by: Bobi Mihalca <bobbymihalca@touchtech.ro>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>