bbb-update easy update of the firmware files.

I started a few days ago to build an update tool. Inspired by the rpi-update tool from hexxeh.

It uses the standard scripts from /opt/scripts/

You can check this out at

Still improving, any comments are welcome. :slight_smile:

The call to: "./" is actually a little risky.. I
don't always test for compatibility.

and "./" isn't needed as the initrd should be
generated in "./"