Merge 5.4.137 into android11-5.4-lts

Changes in 5.4.137
	selftest: fix build error in tools/testing/selftests/vm/userfaultfd.c
	tools: Allow proper CC/CXX/... override with LLVM=1 in Makefile.include
	KVM: x86: determine if an exception has an error code only when injecting it.
	af_unix: fix garbage collect vs MSG_PEEK
	workqueue: fix UAF in pwq_unbound_release_workfn()
	cgroup1: fix leaked context root causing sporadic NULL deref in LTP
	net/802/mrp: fix memleak in mrp_request_join()
	net/802/garp: fix memleak in garp_request_join()
	net: annotate data race around sk_ll_usec
	sctp: move 198 addresses from unusable to private scope
	ipv6: allocate enough headroom in ip6_finish_output2()
	hfs: add missing clean-up in hfs_fill_super
	hfs: fix high memory mapping in hfs_bnode_read
	hfs: add lock nesting notation to hfs_find_init
	firmware: arm_scmi: Fix possible scmi_linux_errmap buffer overflow
	firmware: arm_scmi: Fix range check for the maximum number of pending messages
	cifs: fix the out of range assignment to bit fields in parse_server_interfaces
	iomap: remove the length variable in iomap_seek_data
	iomap: remove the length variable in iomap_seek_hole
	ARM: dts: versatile: Fix up interrupt controller node names
	ipv6: ip6_finish_output2: set sk into newly allocated nskb
	Linux 5.4.137

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I441d065c6fd79c96c67172137806f71dbcd41753