since ep_get_deltas function, implemented in arch-spec/dev/endpoint.c,
uses 32bit deltas, 32bit parameters when calling it too. Without
this patch, I experienced a bug in delta values

This patch implements a feature of white rabbit protocol, see pag.65
of wrspec.v2-06-07-2011

This major patch implements all the remaining states for a complete
lock/calibration phase: locked/calibration/calibrated/resp-calib-req/link-on

This major patch implements wr-m-lock, wr-s-lock and wr-locked states,
while fixing bugs in wr-present and master state.