Only update MEMCX and IntraMEMCX freq if it > 0.0; also print an error if the user tries to use > 1 type of MEMC and IntraMEMC each.
Only update MEMCX and IntraMEMCX freq if it > 0.0; also print an error if the user tries to use > 1 type of MEMC and IntraMEMC each.

GOMC-WSU/GOMC,GOMC-WSU/GOMC,GOMC-WSU/GOMC,GOMC-WSU/GOMC,GOMC-WSU/GOMC