setup_board: add wrapper for emaint

BUG=chromium:425739
TEST=`emaint-gizmo --fix binhost` regenerate the deleted Packages file
TEST=`PKGDIR=/tmp/pkgdir emaint-gizmo --fix binhost` regenerate the
Packages file in /tmp/pkgdir

Change-Id: If0a1d0f5242c1a1e0a4e853e570c927165c97c8b
Reviewed-on: https://chromium-review.googlesource.com/225483
Reviewed-by: David James <davidjames@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Bertrand Simonnet <bsimonnet@chromium.org>
Tested-by: Bertrand Simonnet <bsimonnet@chromium.org>
1 file changed