3.8-stable patches

3.8-stable patches

added patches:
	b43-increase-number-of-rx-dma-slots.patch
	driver-core-treat-unregistered-bus_types-as-having-no-devices.patch
	mmu_notifier_unregister-null-pointer-deref-and-multiple-release-callouts.patch
	pps-add-pps_lookup_dev-function.patch
	pps-fix-a-use-after-free-bug-when-unregistering-a-source.patch
	pps-use-pps_lookup_dev-to-reduce-ldisc-coupling.patch
	rtlwifi-rtl8192cu-add-new-usb-id.patch
	rtlwifi-rtl8192cu-fix-null-dereference-bug-when-using-new_id.patch
	rtlwifi-usb-allocate-urb-control-message-setup_packet-and-data-buffer-separately.patch
	tty-vt-fix-character-insertion-overflow.patch
	xen-close-evtchn-port-if-binding-to-irq-fails.patch
	xen-send-spinlock-ipi-to-all-waiters.patch
	zram-fix-deadlock-bug-in-partial-read-write.patch