4.9-stable patches

4.9-stable patches

added patches:
	arm-arm64-smccc-add-smccc-specific-return-codes.patch
	arm64-add-arch_workaround_2-probing.patch
	arm64-add-per-cpu-infrastructure-to-call-arch_workaround_2.patch
	arm64-add-ssbd-command-line-option.patch
	arm64-alternatives-add-dynamic-patching-feature.patch
	arm64-alternatives-use-tpidr_el2-on-vhe-hosts.patch
	arm64-assembler-introduce-ldr_this_cpu.patch
	arm64-call-arch_workaround_2-on-transitions-between-el0-and-el1.patch
	arm64-kvm-add-arch_workaround_2-discovery-through-arch_features_func_id.patch
	arm64-kvm-add-arch_workaround_2-support-for-guests.patch
	arm64-kvm-add-hyp-per-cpu-accessors.patch
	arm64-kvm-handle-guest-s-arch_workaround_2-requests.patch
	arm64-ssbd-add-global-mitigation-state-accessor.patch
	arm64-ssbd-add-prctl-interface-for-per-thread-mitigation.patch
	arm64-ssbd-introduce-thread-flag-to-control-userspace-mitigation.patch
	arm64-ssbd-restore-mitigation-status-on-cpu-resume.patch
	arm64-ssbd-skip-apply_ssbd-if-not-using-dynamic-mitigation.patch
	kvm-arm-arm64-convert-kvm_host_cpu_state-to-a-static-per-cpu-allocation.patch
	kvm-arm-arm64-do-not-use-kern_hyp_va-with-kvm_vgic_global_state.patch
	kvm-arm64-avoid-storing-the-vcpu-pointer-on-the-stack.patch
	kvm-arm64-change-hyp_panic-s-dependency-on-tpidr_el2.patch
	kvm-arm64-stop-save-restoring-host-tpidr_el1-on-vhe.patch
	kvm-arm64-store-vcpu-on-the-stack-during-__guest_enter.patch