Merge branch 'umg/ndg/dev/gfx-ddk1.10' into ndg/dev/linux-4.4

* 1c170d3 rgx: fix compilation & boot with config DRM_HANDSET_DEBUG
* fee30d9 rgx: avoid race condition on event objects deletion
* 4c1d38d Revert "rgx: use write_lock for event object access"
* 5dbb201 rgx: use the rgx device node for allocations really always
* cebfa83 rgx: use write_lock for event object access
* e88cdb2 rgx: initialize the fence status workqueue
* bb18332 rgx: always use the rgx device node for allocations
* d6af035 rgx-km: enable PVR_USE_FENCE_SYNC_MODEL and clean-up Makefile
* 6560199 rgx-km: new Rogue_DDK_Android_REL_1.10@5138837 RTM
* 339d9dc [REVERTME] ddk1.10_km: also stub PVRSRVUnregisterDbgRequestNotify function
* b1ed6d06 [REVERTME] ddk1.10_km: stub PVRSRVRegisterDbgRequestNotify function
* 116e98b intel_media/drm: add support of non-speculative fences
* 3be7b46 rgx-km: fix compilation issues with DDK1.10
* bcb5f55 rgx-km: new Rogue_DDK_Android_REL_1.10@5125986 ED

Change-Id: Ib654ef0582325d0010cd2f83c27c037448a6d780
Tracked-On: https://jira01.devtools.intel.com/browse/AW-8418
Signed-off-by: Victor Tasayco Loarte <victorx.tasayco.loarte@intel.com>