Merge 4.19.170 into android-4.19-stable

Changes in 4.19.170
	usb: ohci: Make distrust_firmware param default to false
	compiler.h: Raise minimum version of GCC to 5.1 for arm64
	dm integrity: fix flush with external metadata device
	crypto: x86/crc32c - fix building with clang ias
	nfsd4: readdirplus shouldn't return parent of export
	udp: Prevent reuseport_select_sock from reading uninitialized socks
	netxen_nic: fix MSI/MSI-x interrupts
	net: mvpp2: Remove Pause and Asym_Pause support
	rndis_host: set proper input size for OID_GEN_PHYSICAL_MEDIUM request
	esp: avoid unneeded kmap_atomic call
	net: dcb: Validate netlink message in DCB handler
	net: dcb: Accept RTM_GETDCB messages carrying set-like DCB commands
	rxrpc: Call state should be read with READ_ONCE() under some circumstances
	net: stmmac: Fixed mtu channged by cache aligned
	net: sit: unregister_netdevice on newlink's error path
	net: avoid 32 x truesize under-estimation for tiny skbs
	rxrpc: Fix handling of an unsupported token type in rxrpc_read()
	tipc: fix NULL deref in tipc_link_xmit()
	net: introduce skb_list_walk_safe for skb segment walking
	net: skbuff: disambiguate argument and member for skb_list_walk_safe helper
	net: ipv6: Validate GSO SKB before finish IPv6 processing
	spi: cadence: cache reference clock rate during probe
	Linux 4.19.170

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I4a12e49eae7097a468161952228c57c974a1b0ac