[parisc-linux] Boot error on C200+

[Bob Pflederer]

I noticed that John committed something this morning, so I tried it out
on my C180, and it works!  For the first time, the CVS kernel boots 
un-modified on my C180.  Odds are good that it will also work in C200+.

Thanks, John.

> 
> My fix will do a simple 3-4 assembly instruction test for PA2.0 in
> head.S, and then install the appropriate iva. This wastes 2K of memory
> having two iva's, but is a lot simpler to do in assembly very early
> in the boot process. I'll try to get this done by Tuesday morning
> (I work throughout the night Monday).
> 
> John Marvin
> jsm@fc.hp.com
>