5.12-stable patches

5.12-stable patches

added patches:
	arm64-avoid-premature-usercopy-failure.patch
	btrfs-fix-deadlock-with-concurrent-chunk-allocations-involving-system-chunks.patch
	btrfs-properly-split-extent_map-for-req_op_zone_append.patch
	btrfs-rework-chunk-allocation-to-avoid-exhaustion-of-the-system-chunk-array.patch
	btrfs-zoned-fix-wrong-mutex-unlock-on-failure-to-allocate-log-root-tree.patch
	cgroup-verify-that-source-is-a-string.patch
	drm-amdgpu-add-another-renoir-did.patch
	drm-i915-gt-fix-edeadlk-handling-regression.patch
	drm-i915-gtt-drop-the-page-table-optimisation.patch
	edac-igen6-fix-core-dependency-again.patch
	fbmem-do-not-delete-the-mode-that-is-still-in-use.patch
	io_uring-use-right-task-for-exiting-checks.patch
	iommu-vt-d-fix-clearing-real-dma-device-s-scalable-mode-context-entries.patch
	iommu-vt-d-global-devtlb-flush-when-present-context-entry-changed.patch
	mm-hugetlb-fix-refs-calculation-from-unaligned-vaddr.patch
	scsi-core-fix-bad-pointer-dereference-when-ehandler-kthread-is-invalid.patch
	scsi-zfcp-report-port-fc_security-as-unknown-early-during-remote-cable-pull.patch
	tracing-do-not-reference-char-as-a-string-in-histograms.patch