5.4-stable patches

5.4-stable patches

added patches:
	arc-stack-unwinding-avoid-indefinite-looping.patch
	drm-panfrost-fix-a-deadlock-between-the-shrinker-and-madvise-path.patch
	fork-fix-copy_process-clone_parent-race-with-the-exiting-real_parent.patch
	pm-runtime-drop-pm_runtime_clean_up_links.patch
	pm-runtime-drop-runtime-pm-references-to-supplier-on-link-removal.patch
	pm-runtime-resume-the-device-earlier-in-__device_release_driver.patch
	s390-pkey-fix-paes-selftest-failure-with-paes-and-pkey-static-build.patch
	serial-8250_mtk-fix-uart_get_baud_rate-warning.patch
	serial-txx9-add-missing-platform_driver_unregister-on-error-in-serial_txx9_init.patch
	tty-serial-fsl_lpuart-add-ls1028a-support.patch
	tty-serial-fsl_lpuart-ls1021a-has-a-fifo-size-of-16-words-like-ls1028a.patch
	usb-add-no_lpm-quirk-for-kingston-flash-drive.patch
	usb-dwc3-ep0-fix-delay-status-handling.patch
	usb-mtu3-fix-panic-in-mtu3_gadget_stop.patch
	usb-serial-cyberjack-fix-write-urb-completion-race.patch
	usb-serial-option-add-le910cx-compositions-0x1203-0x1230-0x1231.patch
	usb-serial-option-add-quectel-ec200t-module-support.patch
	usb-serial-option-add-telit-fn980-composition-0x1055.patch
	xfs-flush-for-older-xfs-specific-ioctls.patch