brcm47xx: improve board detection for some devices

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@41662 3c298f89-4303-0410-b956-a3cf2f4a3e73
brcm47xx: fix special board handling for some devices

Some devices were renamed when converted from diag to in kernel board detection and it was not changed in netconfig. Devices not in the 
kernel board detection are removed now.

This should close: #17111, #16968, #13202

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>



git-svn-id: svn://svn.openwrt.org/openwrt/trunk@41663 3c298f89-4303-0410-b956-a3cf2f4a3e73