5255 uts shouldn't open-code ISP2

*** 39,48 ****
--- 39,49 ----
   */
  
  #ifndef _DRMP_H
  #define _DRMP_H
  
+ #include <sys/sysmacros.h>
  #include <sys/types.h>
  #include <sys/conf.h>
  #include <sys/modctl.h>
  #include <sys/stat.h>
  #include <sys/file.h>
*** 324,336 ****
  #define DRM_SUPPORT     1
  #define DRM_UNSUPPORT   0
  
  #define __OS_HAS_AGP    1
  
- #define __offsetof(type, field) ((size_t)(&((type *)0)->field))
- #define offsetof(type, field)   __offsetof(type, field)
- 
  typedef struct drm_pci_id_list
  {
          int vendor;
          int device;
          long driver_private;
--- 325,334 ----