linux-yocto/3.4: update beagleboard configs

linux-yocto/3.4: update beagleboard configs

Updating to pickup a couple of configuration tweaks that were done
as part of a bump to the 3.4 linux-yocto tree for the beagleboard.

In particular, this updates DVI and USB settings to enable the
perhipherals out of the box.

Signed-off-by: Liang Li <liang.li@windriver.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>