[llvmlinux] Patch for x86_64

[Andrej Rode]

Hi Derrick,

> The current patches for 4.11.0-rc2 are out of date.  The attached patch
> allows the kernel to compile.  However, I didn't have enough time to fix
> the LLVM related patches.

Did you checkout the master-clang branch at
https://android-git.linaro.org/kernel/hikey-clang.git ?
It is trivial to rebase those patches on 4.11.0-rc2+

Did you boot the kernel on x86_64 as well?

Cheers,
Andrej