4.19-stable patches

4.19-stable patches

added patches:
	cdrom-gdrom-deallocate-struct-gdrom_unit-fields-in-remove_gdrom.patch
	cdrom-gdrom-initialize-global-variable-at-init-time.patch
	ethernet-sun-niu-fix-missing-checks-of-niu_pci_eeprom_read.patch
	net-rtlwifi-properly-check-for-alloc_workqueue-failure.patch
	net-stmicro-handle-clk_prepare-failure-during-init.patch
	revert-ecryptfs-replace-bug_on-with-error-handling-code.patch
	revert-gdrom-fix-a-memory-leak-bug.patch
	revert-hwmon-lm80-fix-a-missing-check-of-bus-read-in-lm80-probe.patch
	revert-leds-lp5523-fix-a-missing-check-of-return-value-of-lp55xx_read.patch
	revert-media-rcar_drif-fix-a-memory-disclosure.patch
	revert-net-stmicro-fix-a-missing-check-of-clk_prepare.patch
	revert-niu-fix-missing-checks-of-niu_pci_eeprom_read.patch
	revert-qlcnic-avoid-potential-null-pointer-dereference.patch
	revert-rtlwifi-fix-a-potential-null-pointer-dereference.patch
	revert-scsi-ufs-fix-a-missing-check-of-devm_reset_control_get.patch
	revert-video-hgafb-fix-potential-null-pointer-dereference.patch
	revert-video-imsttfb-fix-potential-null-pointer-dereferences.patch
	scsi-ufs-handle-cleanup-correctly-on-devm_reset_control_get-error.patch