Remove some warnings.

Signed-off-by: Myles Watson <mylesgw@gmail.com>
Acked-by: Stefan Reinauer <stepan@coresystems.de>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4686 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

src/arch/i386/smp/mpspec.c

@@ -134,7 +134,7 @@ void smp_write_processors(struct mp_config_table *mc)
 }
 
 void smp_write_bus(struct mp_config_table *mc,
-	unsigned char id, char *bustype)
+	unsigned char id, const char *bustype)
 {
 	struct mpc_config_bus *mpc;
 	mpc = smp_next_mpc_entry(mc);