ENH: rigidBodyDynamics: allow Function1 for prescribedMotion

...namics/restraints/prescribedRotation/prescribedRotation.C

...namics/restraints/prescribedRotation/prescribedRotation.H

src/rigidBodyDynamics/rigidBodyModel/rigidBodyModel.C

src/rigidBodyDynamics/rigidBodyModel/rigidBodyModel.H

src/rigidBodyDynamics/rigidBodyModel/rigidBodyModelI.H

src/rigidBodyDynamics/rigidBodyMotion/rigidBodyMotion.C

src/rigidBodyDynamics/rigidBodyMotion/rigidBodyMotion.H

...dBodyMeshMotion/rigidBodyMeshMotion/rigidBodyMeshMotion.C

...ion/rigidBodyMeshMotionSolver/rigidBodyMeshMotionSolver.C

...verInterDyMFoam/boatAndPropeller/constant/dynamicMeshDict