4.19-stable patches

4.19-stable patches

added patches:
	can-dev-__can_get_echo_skb-don-t-crash-the-kernel-if-can_priv-echo_skb-is-accessed-out-of-bounds.patch
	can-dev-__can_get_echo_skb-print-error-message-if-trying-to-echo-non-existing-skb.patch
	can-dev-__can_get_echo_skb-replace-struct-can_frame-by-canfd_frame-to-access-frame-length.patch
	can-dev-can_get_echo_skb-factor-out-non-sending-code-to-__can_get_echo_skb.patch
	can-flexcan-always-use-last-mailbox-for-tx.patch
	can-flexcan-handle-tx-complete-can-frames-via-rx-offload-infrastructure.patch
	can-flexcan-remove-not-needed-struct-flexcan_priv-tx_mb-and-struct-flexcan_priv-tx_mb_idx.patch
	can-flexcan-unlock-the-mb-unconditionally.patch
	can-flexcan-use-can_rx_offload_queue_sorted-for-flexcan_irq_bus_.patch
	can-hi311x-use-level-triggered-interrupt.patch
	can-raw-check-for-can-fd-capable-netdev-in-raw_sendmsg.patch
	can-rx-offload-introduce-can_rx_offload_get_echo_skb-and-can_rx_offload_queue_sorted-functions.patch
	can-rx-offload-rename-can_rx_offload_irq_queue_err_skb-to-can_rx_offload_queue_tail.patch
	drm-amdgpu-add-missing-firmware-entry-for-hainan.patch
	drm-amdgpu-fix-oops-when-pp_funcs-switch_power_profile-is-unset.patch
	drm-ast-change-resolution-may-cause-screen-blurred.patch
	drm-ast-fixed-cursor-may-disappear-sometimes.patch
	drm-ast-remove-existing-framebuffers-before-loading-driver.patch
	drm-fb-helper-blacklist-writeback-when-adding-connectors-to-fbdev.patch
	drm-i915-disable-lp3-watermarks-on-all-snb-machines.patch
	drm-vc4-set-legacy_cursor_update-to-false-when-doing-non-async-updates.patch