12464 fix kmdb build

*** 17,37 ****
  # information: Portions Copyright [yyyy] [name of copyright owner]
  #
  # CDDL HEADER END
  #
  #
  # Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
! # Copyright 2020 Joyent, Inc.
  #
  # include global definitions
  include ../../../../Makefile.master
  
  HDRS=  \
          asm_linkage.h   \
          machtypes.h     \
          privregs.h      \
          psw.h           \
          pte.h           \
          reg.h           \
          stack.h         \
--- 17,41 ----
  # information: Portions Copyright [yyyy] [name of copyright owner]
  #
  # CDDL HEADER END
  #
  #
+ #pragma ident   "%Z%%M% %I%     %E% SMI"
+ #
  # Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
! # uts/intel/ia32/sys/Makefile
  #
  # include global definitions
  include ../../../../Makefile.master
  
  HDRS=  \
          asm_linkage.h   \
+         kdi_regs.h      \
          machtypes.h     \
+         privmregs.h     \
          privregs.h      \
          psw.h           \
          pte.h           \
          reg.h           \
          stack.h         \