4.19-stable patches

4.19-stable patches

added patches:
	cipso-calipso-resolve-a-number-of-problems-with-the-doi-refcounts.patch
	net-davicom-fix-regulator-not-turned-off-on-driver-removal.patch
	net-davicom-fix-regulator-not-turned-off-on-failed-probe.patch
	net-lapbether-remove-netif_start_queue-netif_stop_queue.patch
	net-qrtr-fix-error-return-code-of-qrtr_sendmsg.patch
	net-sched-avoid-duplicates-in-classes-dump.patch
	net-stmmac-fix-watchdog-timeout-during-suspend-resume-stress-test.patch
	net-stmmac-stop-each-tx-channel-independently.patch
	net-usb-qmi_wwan-allow-qmimux-add-del-with-master-up.patch
	perf-traceevent-ensure-read-cmdlines-are-null-terminated.patch
	s390-cio-return-efault-if-copy_to_user-fails.patch
	selftests-forwarding-fix-race-condition-in-mirror-installation.patch