4.20-stable patches

4.20-stable patches

added patches:
	alsa-emu10k1-fix-potential-spectre-v1-vulnerabilities.patch
	alsa-emux-fix-potential-spectre-v1-vulnerabilities.patch
	alsa-fireface-fix-for-state-to-fetch-pcm-frames.patch
	alsa-firewire-lib-fix-wrong-assignment-for-out_packet_without_header-tracepoint.patch
	alsa-firewire-lib-fix-wrong-handling-payload_length-as-payload_quadlet.patch
	alsa-firewire-lib-use-the-same-print-format-for-without_header-tracepoints.patch
	alsa-hda-add-mute-led-support-for-hp-elitebook-840-g4.patch
	alsa-hda-realtek-enable-audio-jacks-of-asus-ux391ua-with-alc294.patch
	alsa-hda-realtek-enable-the-headset-mic-auto-detection-for-asus-laptops.patch
	alsa-hda-tegra-clear-pending-irq-handlers.patch
	alsa-pcm-fix-potential-spectre-v1-vulnerability.patch
	alsa-rme9652-fix-potential-spectre-v1-vulnerability.patch
	ib-hfi1-incorrect-sizing-of-sge-for-pio-will-oops.patch
	media-dvb-usb-v2-fix-incorrect-use-of-transfer_flags-urb_free_buffer.patch
	mtd-atmel-quadspi-disallow-building-on-ebsa110.patch
	mtd-rawnand-fix-jedec-detection.patch
	mtd-rawnand-marvell-prevent-timeouts-on-a-loaded-machine.patch
	mtd-rawnand-omap2-pass-the-parent-of-pdev-to-dma_request_chan.patch
	powerpc-fsl-fix-spectre_v2-mitigations-reporting.patch
	revert-usb-dwc3-pci-use-devm-functions-to-get-the-phy-gpios.patch
	usb-dwc2-disable-power_down-on-amlogic-devices.patch
	usb-dwc2-host-use-hrtimer-for-nak-retries.patch
	usb-r8a66597-fix-a-possible-concurrency-use-after-free-bug-in-r8a66597_endpoint_disable.patch
	usb-roles-add-a-description-for-the-class-to-kconfig.patch
	usb-serial-option-add-fibocom-nl678-series.patch
	usb-serial-pl2303-add-ids-for-hewlett-packard-hp-pos-pole-displays.patch