Comment 8 for bug 1011438

please backport following four pathes to raring, so that HDMI and DP audio can work on HSW-ult which use Lynx Point core also, I have verified it on HSW-ult sdv.

1. commit 7b9f35a6dd72f89452c58bbdbaf063027bf857ec
   Author: Wang Xingchao <email address hidden>
   Date: Tue Jan 22 23:25:25 2013 +0800

    drm/i915: HDMI/DP - ELD info refresh support for Haswell

2. commit 4a7c516bf0cd697dbbee11db6258e3b3146e41a6
   Author: Wang Xingchao <email address hidden>
   Date: Fri Feb 1 22:42:19 2013 +0800

    ALSA - HDA: New PCI ID for Haswell ULT

3.commit a15d05db41b1d5c9f2c3af11dfbfd46818cc64ba
   Author: Mengdong Lin <email address hidden>
   Date: Fri Feb 8 17:09:31 2013 -0500

   ALSA: hda - Support rereading widgets under the function group

4. commit 1611a9c931e95fab871a33beba49cc9ea39bbba8
   Author: Mengdong Lin <email address hidden>
   Date: Fri Feb 8 17:09:52 2013 -0500

    ALSA: hda - Add fixup for Haswell to enable all pin and convertor widgets

thanks