wireguard: bump to 20171211

wireguard: bump to 20171211

Bump to latest WireGuard snapshot release:

44f8e4d version: bump snapshot
bbe2f94 chacha20poly1305: wire up avx512vl for skylake-x
679e53a chacha20: avx512vl implementation
10b1232 poly1305: fix avx512f alignment bug
5fce163 chacha20poly1305: cleaner generic code
63a0031 blake2s-x86_64: fix spacing
d2e13a8 global: add SPDX tags to all files
d94f3dc chacha20-arm: fix with clang -fno-integrated-as.
3004f6b poly1305: update x86-64 kernel to AVX512F only
d452d86 tools: no need to put this on the stack
0ff098f tools: remove undocumented unused syntax
b1aa43c contrib: keygen-html for generating keys in the browser
e35e45a kernel-tree: jury rig is the more common spelling
210845c netlink: rename symbol to avoid clashes
fcf568e device: clear last handshake timer on ifdown
d698467 compat: fix 3.10 backport
5342867 device: do not clear keys during sleep on Android
88624d4 curve25519: explictly depend on AS_AVX
c45ed55 compat: support RAP in assembly
7f29cf9 curve25519: modularize dispatch

Refresh patches.

Compile-test-for: ar71xx
Run-tested-on: ar71xx Archer C7 v2

Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>