4.19-stable patches

4.19-stable patches

added patches:
	drivers-hv-vmbus-return-einval-for-the-sys-files-for-unopened-channels.patch
	futex-cure-exit-race.patch
	gpio-max7301-fix-driver-for-use-with-config_vmap_stack.patch
	gpiolib-acpi-only-defer-request_irq-for-gpioint-acpi-event-handlers.patch
	kvm-fix-uaf-in-nested-posted-interrupt-processing.patch
	kvm-x86-add-amd-s-ex_cfg-to-the-list-of-ignored-msrs.patch
	kvm-x86-fix-null-deref-in-vcpu_scan_ioapic.patch
	mmc-core-allow-bkops-and-cache-ctrl-even-if-no-hpi-support.patch
	mmc-core-reset-hpi-enabled-state-during-re-init-and-in-case-of-errors.patch
	mmc-core-use-a-minimum-1600ms-timeout-when-enabling-cache-ctrl.patch
	mmc-omap_hsmmc-fix-dma-api-warning.patch
	posix-timers-fix-division-by-zero-bug.patch
	x86-intel_rdt-ensure-a-cpu-remains-online-for-the-region-s-pseudo-locking-sequence.patch
	x86-mm-fix-decoy-address-handling-vs-32-bit-builds.patch
	x86-mtrr-don-t-copy-uninitialized-gentry-fields-back-to-userspace.patch
	x86-vdso-pass-eh-frame-hdr-to-the-linker.patch