Merge 5.15.193 into android14-5.15-lts

Changes in 5.15.193
	Documentation/hw-vuln: Add VMSCAPE documentation
	x86/vmscape: Enumerate VMSCAPE bug
	x86/vmscape: Add conditional IBPB mitigation
	x86/vmscape: Enable the mitigation
	x86/bugs: Move cpu_bugs_smt_update() down
	x86/vmscape: Warn when STIBP is disabled with SMT
	x86/vmscape: Add old Intel CPUs to affected list
	Linux 5.15.193

Change-Id: If1186b2dd967b9fd9d972afea516659a82c780fe
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>