3.15-stable patches

3.15-stable patches

added patches:
	ipip-sit-fix-ipv4_-update_pmtu-redirect-calls.patch
	ipv4-fix-a-race-in-ip4_datagram_release_cb.patch
	ipv6-fix-regression-caused-by-efe4208-in.patch
	net-filter-fix-sparc32-typo.patch
	net-filter-fix-typo-in-sparc-bpf-jit.patch
	net-force-a-list_del-in-unregister_netdevice_many.patch
	net-qmi_wwan-add-olivetti-olicard-modems.patch
	net-tunnels-enable-module-autoloading.patch
	rtnetlink-fix-userspace-api-breakage-for-iproute2.patch
	sctp-fix-sk_ack_backlog-wrap-around-problem.patch
	sfc-pio-restrict-to-64bit-arch-and-use-64-bit-writes.patch
	sh_eth-fix-sh7619-771x-support.patch
	sh_eth-use-rnc-mode-for-packet-reception.patch
	udp-ipv4-do-not-waste-time-in.patch
	vxlan-use-dev-needed_headroom-instead-of.patch