3.18-stable patches

3.18-stable patches

added patches:
	alsa-caiaq-fix-stray-urb-at-probe-error-path.patch
	alsa-seq-fix-copy_from_user-call-inside-lock.patch
	alsa-seq-fix-use-after-free-at-creating-a-port.patch
	alsa-usb-audio-kill-stray-urb-at-exiting.patch
	crypto-shash-fix-zero-length-shash-ahash-digest-crash.patch
	direct-io-prevent-null-pointer-access-in-submit_page_section.patch
	fix-unbalanced-page-refcounting-in-bio_map_user_iov.patch
	hid-usbhid-fix-out-of-bounds-bug.patch
	iommu-amd-finish-tlb-flush-in-amd_iommu_unmap.patch
	kvm-nvmx-fix-guest-cr4-loading-when-emulating-l2-to-l1-exit.patch
	usb-gadget-composite-fix-use-after-free-in-usb_composite_overwrite_options.patch
	usb-renesas_usbhs-fix-dmac-sequence-for-receiving-zero-length-packet.patch
	usb-serial-console-fix-use-after-free-after-failed-setup.patch
	usb-serial-cp210x-add-support-for-elv-tfd500.patch
	usb-serial-option-add-support-for-tp-link-lte-module.patch
	usb-serial-qcserial-add-dell-dw5818-dw5819.patch