Use agetty as default shell in frecon

Run /sbin/agetty as a shell in frecon by default.

BUG=chromium:434138,431787
TEST=switch to console, it should display login prompt

Change-Id: Ic0a56b8e3aef58b4e88747e52fad15a3f9392f9c
Signed-off-by: Dominik Behr <dbehr@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/235920
Reviewed-by: Ilja Friedel <ihf@chromium.org>
5 files changed