mpi3mr: Update Driver Version to 8.14.0.2.0

The driver version has been updated to 8.14.0.2.0 to reflect the
latest release. This is a version-only update with no functional
code changes.

Reviewed by: ssaxena, imp
Differential Revision: https://reviews.freebsd.org/D49753

(cherry picked from commit f4d51d3e1a90dabbed26aacf1b58e20e23a19342)