Merge 4.19.204 into android-4.19-stable

Changes in 4.19.204
	KVM: SVM: Fix off-by-one indexing when nullifying last used SEV VMCB
	tracing: Reject string operand in the histogram expression
	bpf: Inherit expanded/patched seen count from old aux data
	bpf: Do not mark insn as seen under speculative path verification
	bpf: Fix leakage under speculation on mispredicted branches
	bpf, selftests: Adjust few selftest outcomes wrt unreachable code
	KVM: X86: MMU: Use the correct inherited permissions to get shadow page
	USB:ehci:fix Kunpeng920 ehci hardware problem
	ppp: Fix generating ppp unit id when ifname is not specified
	ovl: prevent private clone if bind mount is not allowed
	net: xilinx_emaclite: Do not print real IOMEM pointer
	Linux 4.19.204

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I976cb68d2906fa68add207bca749a1964378c916