gpu: ion: update to jb_mr1_chocolate

Sync ion code to 'Adding support for trace events for sync point driver'
Commit: d25bb742c0f72d451303e10195761bcde459f97d

Change-Id: I16ac69a43cb35f267436f7b117d9db1333ea3f70

Conflicts:
	drivers/gpu/ion/ion_carveout_heap.c
	drivers/gpu/ion/ion_cp_heap.c
	drivers/gpu/ion/ion_iommu_heap.c
	drivers/gpu/ion/ion_system_heap.c
	include/linux/ion.h