5255 uts shouldn't open-code ISP2

*** 20,29 ****
--- 20,30 ----
   */
  /*
   * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
   */
  
+ #include <sys/sysmacros.h>
  #include <sys/types.h>
  #include <sys/mkdev.h>
  #include <sys/stat.h>
  #include <sys/sunddi.h>
  #include <vm/seg_kmem.h>
*** 586,596 ****
          int rval = SUCCESS;
          uint64_t local_data;
          pci_cfgacc_req_t req;
          uint32_t max_offset;
  
!         if ((size <= 0) || (size > 8) || ((size & (size - 1)) != 0)) {
                  prg->status = PCITOOL_INVALID_SIZE;
                  return (ENOTSUP);
          }
  
          /*
--- 587,597 ----
          int rval = SUCCESS;
          uint64_t local_data;
          pci_cfgacc_req_t req;
          uint32_t max_offset;
  
!         if ((size <= 0) || (size > 8) || !ISP2(size)) {
                  prg->status = PCITOOL_INVALID_SIZE;
                  return (ENOTSUP);
          }
  
          /*