[PATCH Raring SRU] drm/i915: don't intel_crt_init on any ULT machines

[Zhang, Xiong Y]

Recently, I face two problems about UEFI native mode on Haswell-ULT SDV using 13.04.
First:  The installation of UEFI native mode fail on Haswell-ULT SDV.
      Bug link: https://bugs.launchpad.net/intel/+bug/1175978
Second: The boot process of UEFI native mode fail on Haswell-ULT SDV.

Backport the following commit, the second issue can be resolved which I have tested. The first issue maybe can be resolved also from the analysis of OOP message.
Once the DVD ISO image contain this commit, I will verify the first issue.

commit c40c0f5bd5b0f09e4386d2cf26c96c89c45ee539
Author: Paulo Zanoni <paulo.r.zanoni at intel.com>
Date:   Fri Apr 12 18:16:53 2013 -0300

drm/i915: don't intel_crt_init on any ULT machines

We may have DDI_BUF_CTL(PORT_A) configured with 2 lanes and still not
    have CRT, so just check for !IS_ULT. This problem happened on a real
    machine and resulted in a very ugly dmesg.

    Cc: stable at vger.kernel.org
    Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
    Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>

thanks
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