Split do_blocking_move() to XY and Z sections to make sure that the Z homing feedrate is not exceeded
Merge pull request #1177 from martin-pr/probing_z_speed

Split do_blocking_move() to XY and Z sections
Merge commit '889d7ba218e81155c53ff6a631d05e727b80a070' into Marlin_phoenix

* commit '889d7ba218e81155c53ff6a631d05e727b80a070':
  Split do_blocking_move() to XY and Z sections to make sure that the Z homing feedrate is not exceeded