further UTF-8 fixes and name correction

> -** Copyright 1994 by Bj<94>rn Brauel
> +** Copyright 1994 by Bj”rn Brauel

I think these were cp437, and it should read 'Björn'.
(asm-m68k/atari*.h)

Also note that Arnaldo just put more legacy noise into CREDITS...

Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/include/asm-m68k/atarihw.h b/include/asm-m68k/atarihw.h
index 6211363..ecf007d 100644
--- a/include/asm-m68k/atarihw.h
+++ b/include/asm-m68k/atarihw.h
@@ -2,7 +2,7 @@
 ** linux/atarihw.h -- This header defines some macros and pointers for
 **                    the various Atari custom hardware registers.
 **
-** Copyright 1994 by Bj”rn Brauel
+** Copyright 1994 by Björn Brauel
 **
 ** 5/1/94 Roman Hodek:
 **   Added definitions for TT specific chips.