net: fsl-mc: sync remaining MC commands

This patch targets the last remaining commands left to sync to their
latest form - mainly the mc_get_version() API.

Besides this, remove any macro which is now of no help.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>