12464 fix kmdb build

@@ -17,21 +17,25 @@
 # 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.
 #
-# Copyright 2020 Joyent, Inc.
+# 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         \