Enabling FAFT on Parrot

This change contains the following fixes:
1) Fixing CTRL+D sequence. Before Servo would press D+CTRL.
2) Fixing hang when rec_mode is set to off while device is off.
3) workaround for bug 16231. Device does not boot after entering dev mode.
4) changing dev_screen timeout to accomodate slower devices.

BUG=chrome-os-partner:16829,chrome-os-partner:16231
TEST=control.faft_lv1, control.faft_lv2, control.faft_lv4 test suites pass

Change-Id: I1f35ecb6814fffb2dc14a934d2c964fa1d1f8c84
Reviewed-on: https://gerrit.chromium.org/gerrit/39724
Reviewed-by: Tom Wai-Hong Tam <waihong@chromium.org>
Reviewed-by: Jay Kim <yongjaek@chromium.org>
Reviewed-by: Todd Broch <tbroch@chromium.org>
Commit-Queue: Gediminas Ramanauskas <gedis@chromium.org>
Tested-by: Gediminas Ramanauskas <gedis@chromium.org>
3 files changed