KDB 4.1 USB keyboard fix

[Keith Owens]

On Tue, 29 Apr 2003 17:57:30 -0700, 
Steven Dake <sdake at mvista.com> wrote:
>KDB 4.1 on the project page for 2.4.20 will not compile against 2.4.20 
>with USB keyboard enabled.
>
>Some types were changed (urb_t removed in favor of just struct urb) and 
>it looks like functions were moved, creating implicit declarations and 
>all the badness that follows.  There are also three unused variables 
>that were removed.
>
>The attached patch gets it to compile.

I am removing USB keyboard support from kdb in v4.2.  The USB code for
2.5 kernels is useless, I have neither the hardware nor the time to
support USB keyboard for kdb and nobody has volunteered to keep the kdb
USB code up to date.