create a lua device node for lua(4) and luactl(8)

etc/MAKEDEV.tmpl

@@ -1,5 +1,5 @@
 #!/bin/sh -
-#	$NetBSD: MAKEDEV.tmpl,v 1.171 2013/08/03 16:07:35 soren Exp $
+#	$NetBSD: MAKEDEV.tmpl,v 1.172 2013/10/28 18:33:20 mbalmer Exp $
 #
 # Copyright (c) 2003,2007,2008 The NetBSD Foundation, Inc.
 # All rights reserved.
@@ -42,6 +42,7 @@
 #	ramdisk	devices to be put into INSTALL kernel ramdisks.
 #	std	standard devices
 #	local	configuration specific devices
+#	lua	Lua device
 #	wscons	make wscons devices
 #	usbs	make USB devices
 #	isdns	make ISDN devices
@@ -837,6 +838,7 @@ all)
 	makedev drm0
 	makedev altmem
 	makedev zfs
+	makedev lua
 	makedev local # do this last
 	;;
 
@@ -860,6 +862,11 @@ gpio)
 	lndev gpio0 gpio
 	;;
 
+lua)
+	makedev lua0
+	lndev lua0 lua
+	;;
+
 pad)
 	makedev pad0 pad1 pad2 pad3
 	lndev pad0 pad
@@ -1462,6 +1469,11 @@ gpio[0-9]*)
 	mkdev gpio$unit c %gpio_chr% $unit 664 $g_gpio
 	;;
 
+lua[0-9]*)
+	unit=${i#lua}
+	mkdev lua$unit c %lua_chr% $unit 664
+	;;
+
 rmidi[0-9]*)
 	unit=${i#rmidi}
 	mkdev rmidi$unit c %midi_chr% $unit 666