fix assorted problems with miniroot stuff

src/etc/etc.sparc/MAKEDEV

@@ -1,6 +1,6 @@
 #!/bin/sh -
 #
-#	$OpenBSD: MAKEDEV,v 1.21 1997/04/29 17:26:28 niklas Exp $
+#	$OpenBSD: MAKEDEV,v 1.22 1997/04/30 08:17:56 grr Exp $
 #
 # Copyright (c) 1990 The Regents of the University of California.
 # All rights reserved.
@@ -337,12 +337,12 @@ ccd*|sd*|xd*|xy*|cd*|vnd*)
 		done
 	fi
 	rm -f $name$unit? r$name$unit?
-	minor=`mult $unit 8`
+	minor=`mult $unit 16`
 	for slice in a b c d e f g h i j k l m n o p
 	do
 		dev=$name$unit$slice
 		mknod $dev b $blk $minor
-		mknod r$dev b $chr $minor
+		mknod r$dev c $chr $minor
 		minor=`add $minor 1`
 	done
 	chown root.operator $name$unit? r$name$unit?