brcm47xx: change generic profiles

The default profile now contains Ethernet drivers for all the types 
found on supported boards. There are other profiles for each Ethernet 
driver.


git-svn-id: svn://svn.openwrt.org/openwrt@35314 3c298f89-4303-0410-b956-a3cf2f4a3e73
kernel: add missing config options for 3.8


git-svn-id: svn://svn.openwrt.org/openwrt@35315 3c298f89-4303-0410-b956-a3cf2f4a3e73