5.12-stable patches

5.12-stable patches

added patches:
	arc-entry-fix-off-by-one-error-in-syscall-number-validation.patch
	arc-mm-pae-use-40-bit-physical-page-mask.patch
	arc-mm-use-max_high_pfn-as-a-highmem-zone-border.patch
	arm64-fix-race-condition-on-pg_dcache_clean-in-__sync_icache_dcache.patch
	arm64-mte-initialize-rgsr_el1.seed-in-__cpu_setup.patch
	blk-iocost-fix-weight-updates-of-inner-active-iocgs.patch
	btrfs-fix-deadlock-when-cloning-inline-extents-and-using-qgroups.patch
	btrfs-fix-race-leading-to-unpersisted-data-and-metadata-on-fsync.patch
	btrfs-initialize-return-variable-in-cleanup_free_space_cache_v1.patch
	btrfs-zoned-fix-silent-data-loss-after-failure-splitting-ordered-extent.patch
	btrfs-zoned-sanity-check-zone-type.patch
	drm-amd-display-initialize-attribute-for-hdcp_srm-sysfs-file.patch
	drm-i915-avoid-div-by-zero-on-gen2.patch
	drm-i915-dp-use-slow-and-wide-link-training-for-everything.patch
	drm-radeon-dpm-disable-sclk-switching-on-oland-when-two-4k-60hz-monitors-are-connected.patch
	hfsplus-prevent-corruption-in-shrinking-truncate.patch
	kasan-fix-unit-tests-with-config_ubsan_local_bounds-enabled.patch
	kvm-exit-halt-polling-on-need_resched-as-well.patch
	mm-hugetlb-fix-cow-where-page-writtable-in-child.patch
	mm-hugetlb-fix-f_seal_future_write.patch
	powerpc-64s-fix-crashes-when-toggling-entry-flush-barrier.patch
	powerpc-64s-fix-crashes-when-toggling-stf-barrier.patch
	sh-remove-unused-variable.patch
	squashfs-fix-divide-error-in-calculate_skip.patch
	userfaultfd-release-page-in-error-path-to-avoid-bug_on.patch
	x86-sched-fix-the-amd-cppc-maximum-performance-value-on-certain-amd-ryzen-generations.patch