fixed function prototype for die()

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1675 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

src/console/console.c

@@ -91,7 +91,7 @@ void post_code(uint8_t value)
 }
 
 /* Report a fatal error */
-void die(char *msg)
+void die(const char *msg)
 {
 	printk_emerg("%s", msg);
 	post_code(0xff);