firmware_FAFTSetup: Modify keyboard test to check customized keyboard command

For devices without internal keyboard, we use auxiliary device to
simulate keyboard. We should check customized keyboard command instead
of servo keypress on these devices.

BUG=chrome-os-partner:14626
TEST=none

Change-Id: Ia3511cd271dabfdba690951ccba9c32f694690fe
Signed-off-by: Vic Yang <victoryang@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/34167
Reviewed-by: Tom Wai-Hong Tam <waihong@chromium.org>
1 file changed