4.19-stable patches

4.19-stable patches

added patches:
	iio-accel-kxcjk-1013-fix-possible-memory-leak-in-probe-and-remove.patch
	iio-adc-axp20x_adc-fix-charging-current-reporting-on-axp22x.patch
	iio-at91-sama5d2-fix-incorrect-sign-extension.patch
	iio-dln2-adc-fix-lockdep-complaint.patch
	iio-dln2-check-return-value-of-devm_iio_trigger_register.patch
	iio-itg3200-call-iio_trigger_notify_done-on-error.patch
	iio-kxsd9-don-t-return-error-code-in-trigger-handler.patch
	iio-ltr501-don-t-return-error-code-in-trigger-handler.patch
	iio-mma8452-fix-trigger-reference-couting.patch
	iio-stk3310-don-t-return-error-code-in-interrupt-handler.patch
	iio-trigger-fix-reference-counting.patch
	iio-trigger-stm32-timer-fix-module_alias.patch
	irqchip-armada-370-xp-fix-return-value-of-armada_370_xp_msi_alloc.patch
	irqchip-armada-370-xp-fix-support-for-multi-msi-interrupts.patch
	irqchip-irq-gic-v3-its.c-force-synchronisation-when-issuing-invall.patch
	irqchip-nvic-fix-offset-for-interrupt-priority-offsets.patch
	usb-core-config-fix-validation-of-wmaxpacketvalue-entries.patch
	usb-core-config-using-bit-mask-instead-of-individual-bits.patch
	usb-gadget-detect-too-big-endpoint-0-requests.patch
	usb-gadget-zero-allocate-endpoint-0-buffers.patch
	xhci-avoid-race-between-disable-slot-command-and-host-runtime-suspend.patch
	xhci-remove-config_usb_default_persist-to-prevent-xhci-from-runtime-suspending.patch