Log Message:
Update to 2.4.51:

    Alex Deucher (2):
      radeon: avoid possible divide by 0 in surface manager
      radeon: fix sumo2 pci id

    Damien Lespiau (2):
      gitignore: Ignore various generated files
      intel/test_decode: Allow gen8 to be infered from the batch filenames

    Rob Clark (4):
      freedreno: add bo cache
      freedreno/kgsl: fix crash introduced w/ bo-cache
      freedreno: allow IB to different ringbuffer
      Bump the version to 2.4.51