3.8-stable patches

3.8-stable patches

added patches:
	acpi-rework-acpi_get_child-to-be-more-efficient.patch
	clockevents-don-t-allow-dummy-broadcast-timers.patch
	efivars-add-module-parameter-to-disable-use-as-a-pstore-backend.patch
	efivars-allow-disabling-use-as-a-pstore-backend.patch
	efivars-fix-check-for-config_efi_vars_pstore_default_disable.patch
	ext4-fix-data-journal-fast-mount-umount-hang.patch
	ext4-use-atomic64_t-for-the-per-flexbg-free_clusters-count.patch
	ext4-use-s_extent_max_zeroout_kb-value-as-number-of-kb.patch
	ipoib-fix-send-lockup-due-to-missed-tx-completion.patch
	md-raid5-avoid-accessing-gendisk-or-queue-structs-when-not-available.patch
	md-raid5-ensure-sync-and-discard-don-t-happen-at-the-same-time.patch
	md-raid5-schedule_construction-should-abort-if-nothing-to-do.patch
	nfsd-fix-bad-offset-use.patch
	usb-cdc-acm-fix-device-unregistration.patch
	usb-ehci-fix-regression-during-bus-resume.patch
	usb-ehci-fix-regression-in-qh-unlinking.patch
	usb-gadget-ffs-fix-enable-multiple-instances.patch
	usb-serial-fix-interface-refcounting.patch
	usb-storage-add-unusual_devs-entry-for-samsung-yp-z3-mp3-player.patch
	usb-xhci-correctly-enable-interrupts.patch
	usb-xhci-fix-bit-definitions-for-iman-register.patch
	watchdog-sp5100_tco-remove-code-that-may-cause-a-boot-failure.patch
	watchdog-sp5100_tco-set-the-acpimmiosel-bitmask-value-to-1-instead-of-2.patch
	x86-64-fix-the-failure-case-in-copy_user_handle_tail.patch