Merge commit 'ceab78c9' of...

Merge commit 'ceab78c9' of https://android.googlesource.com/kernel/common

 into android-db410c-qcomlt-4.9

This merges Marissa Wall's backports of the v4.10 dma_fence
changes, which are needed for HWC2 support.

Signed-off-by: John Stultz <john.stultz@linaro.org>