5083 avoid undefined order of operations in assignments

*** 125,135 ****
          wsp->coreid = wsp->coreid & CMI_MAX_COREID(wsp->core_nbits);
          if (carry == 0)
                  return (B_TRUE);
  
          /* increment the chip id */
!         wsp->chipid = ++wsp->chipid & (CMI_MAX_CHIPID);
  
          return (B_TRUE);
  }
  
  /*
--- 125,135 ----
          wsp->coreid = wsp->coreid & CMI_MAX_COREID(wsp->core_nbits);
          if (carry == 0)
                  return (B_TRUE);
  
          /* increment the chip id */
!         wsp->chipid = (wsp->chipid + 1) & (CMI_MAX_CHIPID);
  
          return (B_TRUE);
  }
  
  /*