A docking mic control is shown by default. The Compaq Presario
CQ60 laptop has no docking connector, so designate it as a
CXT5051_HP model.
This makes the phantom mixer slider disappear.
Signed-off-by: NTony Vroon <tony@linx.net>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>