ALSA: hda - Add pin-fix for HP dc5750

The NID 0x11 on HP dc5750 with ALC260 should be a speaker although BIOS
gives it as a line-out.  This patch adds a quirk to fix the pin config
so that the real line-out is used properly.

Reference: bnc#624118
	https://bugzilla.novell.com/show_bug.cgi?id=624118

Signed-off-by: Takashi Iwai <tiwai@suse.de>