Use MI installboot(8) program in ${IMAGEPOSTBUILD}.

distrib/sparc/miniroot/Makefile.inc

@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile.inc,v 1.6 2002/05/02 18:02:54 lukem Exp $
+#	$NetBSD: Makefile.inc,v 1.7 2002/05/07 11:34:40 pk Exp $
 
 IMAGESIZE=	7296k
 MAKEFS_FLAGS=   -o density=4k
@@ -11,7 +11,5 @@ IMAGEDEPENDS+=	${ARCHDIR}/../install.md ${ARCHDIR}/dot.profile \
 		${DESTDIR}/usr/mdec/boot ${DESTDIR}/usr/share/misc/magic \
 		${KERNOBJDIR}/GENERIC/netbsd
 
-# XXXDISTRIB: binstall needs to be MI and work on image files
-IMAGEPOSTBUILD=	${DESTDIR}/usr/mdec/binstall -f ${IMAGE} \
-		    -m ${DESTDIR}/usr/mdec -i ${SPARCINSTALLBOOT} \
-		    -v ffs ${WORKDIR}
+IMAGEPOSTBUILD=	${INSTALLBOOT} -m ${MACHINE} -v ${IMAGE} \
+		${DESTDIR}/usr/mdec/bootxx /boot