Add use_os_timer USE flag for Flashrom on Daisy

This causes Flashrom to be build with USE=use_os_timer on Daisy.

BUG=chrome-os-partner:12292
TEST=emerge-daisy -av flashrom shows use_os_timer being used

Change-Id: If9d27dc5de692a4ee34b524c6460b7fc435e8a1c
Reviewed-on: https://gerrit.chromium.org/gerrit/29437
Commit-Ready: David Hendricks <dhendrix@chromium.org>
Tested-by: David Hendricks <dhendrix@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/31914
Reviewed-by: David Hendricks <dhendrix@chromium.org>
1 file changed