The switch driver is not used by brcm47xx any more and can be removed,
instead of this switch driver b53 is used now.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38387 3c298f89-4303-0410-b956-a3cf2f4a3e73