5.6-stable patches

5.6-stable patches

added patches:
	arm-dts-dra7-fix-bus_dma_limit-for-pcie.patch
	arm-dts-imx27-phytec-phycard-s-rdk-fix-the-i2c1-pinctrl-entries.patch
	arm-dts-imx6dl-yapp4-fix-ursa-board-ethernet-connection.patch
	cifs-fix-leaked-reference-on-requeued-write.patch
	drm-amd-amdgpu-add-raven1-part-to-the-gfxoff-quirk-list.patch
	drm-amd-display-add-basic-atomic-check-for-cursor-plane.patch
	drm-i915-tgl-fix-interrupt-handling-for-dp-aux-transactions.patch
	kvm-x86-fix-pkru-save-restore-when-guest-cr4.pke-0-move-it-to-x86.c.patch
	make-the-reducing-compressed-framebufer-size-message-be-drm_info_once.patch
	powerpc-32s-fix-build-failure-with-config_ppc_kuap_debug.patch
	powerpc-vdso32-fallback-on-getres-syscall-when-clock-is-unknown.patch
	usb-gadget-fix-illegal-array-access-in-binding-with-udc.patch
	usb-xhci-fix-null-pointer-dereference-when-enqueuing-trbs-from-urb-sg-list.patch
	x86-fix-early-boot-crash-on-gcc-10-third-try.patch