3.18-stable patches

3.18-stable patches

added patches:
	bcache-check-return-value-of-register_shrinker.patch
	hwmon-pmbus-use-64bit-math-for-direct-format-values.patch
	kvm-vmx-fix-rflags-cache-during-vcpu-reset.patch
	kvm-x86-don-t-re-execute-instruction-when-not-passing-cr2-value.patch
	kvm-x86-emulator-return-to-user-mode-on-l1-cpl-0-emulation-failure.patch
	kvm-x86-fix-operand-address-size-during-instruction-decoding.patch
	mac80211-fix-the-update-of-path-metric-for-rann-frame.patch
	media-usbtv-add-a-new-usbid.patch
	net-ethernet-xilinx-mark-xilinx_ll_temac-broken-on-64-bit.patch
	nfsd-check-for-use-of-the-closed-special-stateid.patch
	nfsd-close-should-return-the-invalid-special-stateid-for-nfsv4.x-x-0.patch
	quota-check-for-register_shrinker-failure.patch
	scsi-ufs-ufshcd-fix-potential-null-pointer-dereference-in-ufshcd_config_vreg.patch
	staging-rtl8188eu-fix-incorrect-response-to-siocgiwessid.patch
	usb-gadget-don-t-dereference-g-until-after-it-has-been-null-checked.patch
	xen-netfront-remove-warning-when-unloading-module.patch