nasher: Add servo overlay for nasher

Inherit reef servo overlay configuration.

BUG=b:36457849
TEST=None

Change-Id: I792a21396b7ee21661531c657c8c61aa9908cae4
Reviewed-on: https://chromium-review.googlesource.com/458683
Commit-Ready: YH Lin <yueherngl@chromium.org>
Tested-by: YH Lin <yueherngl@chromium.org>
Reviewed-by: YH Lin <yueherngl@chromium.org>
(cherry picked from commit 92a7df3511f7fe77260633490b8cb88d4306a092)
Reviewed-on: https://chromium-review.googlesource.com/459719
Commit-Queue: YH Lin <yueherngl@chromium.org>
1 file changed