Files added by mchang from user csenthil. Email to list pasted below:

July 2, 2004:

Hello mchang,

I have attached a Makefile & usbvb.c to be checked
into cvs.

Note: This is by no means complete, infact trying to
use vb after loading the driver might freeze the
system completely so I would save any work and try it
at your own risk

Thanks
Senthil
