powertop: pull down latest version from Gentoo

Upgraded sys-power/powertop to version 2.0 on amd64, arm, x86

This one fixes building with gcc-4.7.

TEST=`emerge-amd64-generic powertop` worked
TEST=`emerge-arm-generic powertop` worked
TEST=`emerge-x86-generic powertop` worked

Change-Id: I5abdb5e03b822efe8757e80bb9c4dbf3526d72ab
Reviewed-on: https://gerrit.chromium.org/gerrit/24311
Reviewed-by: Han Shen <shenhan@google.com>
Reviewed-by: Han Shen <shenhan@chromium.org>
Commit-Ready: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
9 files changed