purge linux/compiler.h usage

Turns out nothing in here actually uses definitions from this header,
so punting it is easy.

BUG=chromium:878440
TEST=build works

Change-Id: Idc410be95b78309b0496f075a0fcff8153955f5c
Reviewed-on: https://chromium-review.googlesource.com/1194717
Commit-Ready: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
3 files changed