4.19-stable patches

4.19-stable patches

added patches:
	btrfs-return-value-from-btrfs_mark_extent_written-in-case-of-error.patch
	cgroup1-don-t-allow-n-in-renaming.patch
	drm-fix-use-after-free-read-in-drm_getunique.patch
	drm-lock-pointer-access-in-drm_master_release.patch
	kvm-avoid-speculation-based-attacks-from-out-of-range-memslot-accesses.patch
	staging-rtl8723bs-fix-uninitialized-variables.patch
	usb-dwc3-debugfs-add-and-remove-endpoint-dirs-dynamically.patch
	usb-dwc3-ep0-fix-null-pointer-exception.patch
	usb-f_ncm-ncm_bitrate-speed-is-unsigned.patch
	usb-f_ncm-only-first-packet-of-aggregate-needs-to-start-timer.patch
	usb-fix-various-gadget-panics-on-10gbps-cabling.patch
	usb-fix-various-gadgets-null-ptr-deref-on-10gbps-cabling.patch
	usb-gadget-eem-fix-wrong-eem-header-operation.patch
	usb-gadget-f_fs-ensure-io_completion_wq-is-idle-during-unbind.patch
	usb-pd-set-pd_t_sink_wait_cap-to-310ms.patch
	usb-serial-cp210x-fix-alternate-function-for-cp2102n-qfn20.patch
	usb-serial-ftdi_sio-add-novatech-orionmx-product-id.patch
	usb-serial-omninet-add-device-id-for-zyxel-omni-56k-plus.patch
	usb-serial-quatech2-fix-control-request-directions.patch
	usb-typec-ucsi-clear-ppm-capability-data-in-ucsi_init-error-path.patch