iproute2: sync with upstream Gentoo

Since we no longer need the local build hacks, we can move to the
upstream Gentoo ebuilds.

BUG=chromium-os:23786
TEST=`emerge-amd64-generic iproute2` works
TEST=`emerge-arm-generic iproute2` works
TEST=`emerge-x86-generic iproute2` works

Change-Id: I1c03eb9b36dc1b1f3d94a2e0e33cac498e29e3eb
Reviewed-on: https://gerrit.chromium.org/gerrit/12465
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Reviewed-by: David James <davidjames@chromium.org>
Commit-Ready: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
3 files changed