3.7: update to v3.7.2

Note: dual usb might be broken on bone, from this commit:
http://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=commit;h=2a90b6baab1021ebbd7fdbb4b894ea315650d360

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
3.7: config: BeagleBoard config update for v3.7.2, enable USBIP

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>