Merge 5.4.199 into android11-5.4-lts

Changes in 5.4.199
	cpu/speculation: Add prototype for cpu_show_srbds()
	x86/cpu: Add Jasper Lake to Intel family
	x86/cpu: Add Lakefield, Alder Lake and Rocket Lake models to the to Intel CPU family
	x86/cpu: Add another Alder Lake CPU to the Intel family
	Documentation: Add documentation for Processor MMIO Stale Data
	x86/speculation/mmio: Enumerate Processor MMIO Stale Data bug
	x86/speculation: Add a common function for MD_CLEAR mitigation update
	x86/speculation/mmio: Add mitigation for Processor MMIO Stale Data
	x86/bugs: Group MDS, TAA & Processor MMIO Stale Data mitigations
	x86/speculation/mmio: Enable CPU Fill buffer clearing on idle
	x86/speculation/mmio: Add sysfs reporting for Processor MMIO Stale Data
	x86/speculation/srbds: Update SRBDS mitigation selection
	x86/speculation/mmio: Reuse SRBDS mitigation for SBDS
	KVM: x86/speculation: Disable Fill buffer clear within guests
	x86/speculation/mmio: Print SMT warning
	Linux 5.4.199

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I4ed42d2c5e9fd6eb5328661b0be3f992163ca500