ALSA: hda - Add support of Quanta FL1

Added the support of Quanta FL1 with ALC269 code chip.
Also a bit space clean-ups.
Signed-off-by: Kailang Yang <kailang@realtek.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>