add basic Spring board support

Just alias Spring as a Daisy, so the basic stuffs are working in crossystem
until we have full support.

BRANCH=none
BUG=chrome-os-partner:17212
TEST=on Spring, boot and type "crossystem", do not get errors such as
"Unable to auto-detect platform. Limited functionality only".

Change-Id: I44799bba18270d921d57fba47c2117af50628976
Reviewed-on: https://gerrit.chromium.org/gerrit/42661
Reviewed-by: Todd Broch <tbroch@chromium.org>
Reviewed-by: David Hendricks <dhendrix@chromium.org>
Commit-Queue: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
1 file changed