3.18-stable patches

3.18-stable patches

added patches:
	arm64-disable-unhandled-signal-log-messages-by-default.patch
	cfg80211-fix-cfg80211_beacon_dup.patch
	iio-adis_lib-initialize-trigger-before-requesting-interrupt.patch
	iio-buffer-check-if-a-buffer-has-been-set-up-when-poll-is-called.patch
	irqchip-gic-v3-use-wmb-instead-of-smb_wmb-in-gic_raise_softirq.patch
	scsi-ibmvfc-fix-misdefined-reserved-field-in-ibmvfc_fcp_rsp_info.patch
	usb-dwc3-gadget-set-maxpacket-size-for-ep0-in.patch
	usb-gadget-f_fs-process-all-descriptors-during-bind.patch
	x86-oprofile-fix-bogus-gcc-8-warning-in-nmi_setup.patch
	xtensa-fix-high-memory-reserved-memory-collision.patch