Enable Multiboot support by default since this kernel is the one to most

likely benefit from this feature.  Per anonymous suggestion in my blog.

sys/arch/i386/conf/XEN0

@@ -1,4 +1,4 @@
-# $NetBSD: XEN0,v 1.29 2006/02/05 05:01:55 cube Exp $
+# $NetBSD: XEN0,v 1.30 2006/02/05 15:39:20 jmmv Exp $
 
 include 	"arch/xen/conf/std.xen"
 
@@ -25,6 +25,9 @@ makeoptions	COPTS="-O2 -mcpu=i686 -march=i686"
 
 #options 	MTRR		# memory-type range register syscall support
 
+options 	MULTIBOOT	# Multiboot support (see multiboot(8))
+#options 	MULTIBOOT_SYMTAB_SPACE=1048576
+
 #options 	CONSDEVNAME="\"xencons\""
 #options 	CONS_OVERRIDE