1. Support HP rp5700
2. Fixed alc_subsystem_id function (Bug fixed and support Desktop)
3. Support ASUS EP20
Signed-off-by: NKailang Yang <kailang@realtek.com.tw>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
Signed-off-by: NJaroslav Kysela <perex@perex.cz>