[POWERPC] celleb: Fix parsing of machine type hack command line option

This is a bugfix to install Fedora Core 6 by using kernel
command line 'celleb_machine_type_hack=CHRP'.

Yes, this is a one-character fix to add forgotten '='.
Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp>
Signed-off-by: Paul Mackerras <paulus@samba.org>

arch/powerpc/platforms/celleb/setup.c

@@ -80,7 +80,7 @@ static int celleb_machine_type_hack(char *ptr)
 	return 0;
 }
 
-__setup("celleb_machine_type_hack", celleb_machine_type_hack);
+__setup("celleb_machine_type_hack=", celleb_machine_type_hack);
 
 static void celleb_progress(char *s, unsigned short hex)
 {