Move /sys on pivot_root too

SVN-Revision: 6603

package/base-files/files/bin/firstboot

@@ -40,6 +40,7 @@ pivot() { # <new_root> <old_root>
 	pivot_root $1 $1$2 && {
 		mount -o move $2/dev /dev
 		mount -o move $2/tmp /tmp
+		mount -o move $2/sys /sys 2>&-
 		mount -o move $2/jffs /jffs 2>&-
 		return 0
 	}