kgsl: Update kgsl upto

commit 815d4a7038cde3d81c8288cc85032dc94803590a
Author: Vinay Roy <vroy@codeaurora.org>
Date:   Tue Apr 16 16:11:20 2013 +0530

    msm: kgsl: Properly record the size of the sglist in the memdesc

    It was possible to fail out of kgsl_sharedmem_alloc after a sglist was
    allocated but before we saved the size of the allocation which caused
    problems when the sglist was freed during cleanup.

    CRs-fixed: 464289
    Change-Id: I597c671b7a69d2b7930d426884cdfb6799714763
    Signed-off-by: Vinay Roy <vroy@codeaurora.org>