h8300-elf: gcc testsuite patches

[Joern Rennecke]

>   > 	* gcc.c-torture/execute/980223.x: Likewise.
> Definitely wrong for the -mint32 multilibs.

Huh?  The issue is the size of addresses, not of integers.
> 
> 
> I believe the change for 961203-1.x and 980506-1.x are wrong for
> the H8/300H and H8/S since they have 24 and 32bit address spaces
> respectively.

But I used the target string h8300-*-* for these.  Would that
match H8/300H and H8/S ?