Merge 5.4.79 into android11-5.4-lts

Changes in 5.4.79
	selftests/powerpc: rfi_flush: disable entry flush if present
	powerpc/64s: flush L1D on kernel entry
	powerpc/64s: flush L1D after user accesses
	powerpc: Only include kup-radix.h for 64-bit Book3S
	selftests/powerpc: entry flush test
	MIPS: PCI: Fix MIPS build
	net/mlx5: Use async EQ setup cleanup helpers for multiple EQs
	net/mlx5: poll cmd EQ in case of command timeout
	net/mlx5: Fix a race when moving command interface to events mode
	net/mlx5: Add retry mechanism to the command entry index allocation
	powerpc/8xx: Always fault when _PAGE_ACCESSED is not set
	net: lantiq: Add locking for TX DMA channel
	Input: sunkbd - avoid use-after-free in teardown paths
	mac80211: always wind down STA state
	can: proc: can_remove_proc(): silence remove_proc_entry warning
	KVM: x86: clflushopt should be treated as a no-op by emulation
	ACPI: GED: fix -Wformat
	Linux 5.4.79

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ica7b2ed68177b6bc7d66851f00218f7da3545d85