4.19-stable patches

4.19-stable patches

added patches:
	arm64-ftrace-fix-to-enable-syscall-events-on-arm64.patch
	drm-amd-dm-don-t-forget-to-attach-mst-encoders.patch
	drm-amd-dm-understand-why-attaching-path-tile-properties-are-needed.patch
	drm-ast-fix-incorrect-free-on-ioregs.patch
	drm-meson-enable-fast_io-in-meson_dw_hdmi_regmap_config.patch
	drm-meson-fix-oob-memory-accesses-in-meson_viu_set_osd_lut.patch
	drm-meson-fixes-for-drm_crtc_vblank_on-off-support.patch
	drm-set-is_master-to-0-upon-drm_new_set_master-failure.patch
	ib-mlx5-avoid-load-failure-due-to-unknown-link-width.patch
	iser-set-sector-for-ambiguous-mr-status-errors.patch
	mips-fix-mips_get_syscall_arg-o32-check.patch
	mips-ralink-fix-mt7620-nd_sd-pinmux.patch
	mtd-nand-fix-memory-allocation-in-nanddev_bbt_init.patch
	sched-trace-fix-prev_state-output-in-sched_switch-tracepoint.patch
	tracepoint-use-__idx-instead-of-idx-in-do_trace-macro-to-make-it-unique.patch
	tracing-fgraph-fix-set_graph_function-from-showing-interrupts.patch
	uprobes-fix-handle_swbp-vs.-unregister-register-race-once-more.patch
	userfaultfd-shmem-add-i_size-checks.patch
	userfaultfd-shmem-allocate-anonymous-memory-for-map_private-shmem.patch
	userfaultfd-shmem-uffdio_copy-set-the-page-dirty-if-vm_write-is-not-set.patch
	userfaultfd-use-enoent-instead-of-efault-if-the-atomic-copy-user-fails.patch