brcm47xx: proc gets mounted without this patch

SVN-Revision: 37272

target/linux/brcm47xx/base-files/lib/preinit/15_mount_proc_brcm

@@ -1,5 +0,0 @@
-#!/bin/sh
-
-do_mount_procfs() {
-	mount -o noatime none /proc -t proc
-}