Create lib.h for homeless prototypes.

Signed-off-by: Myles Watson <mylesgw@gmail.com>
Acked-by: Ronald G. Minnich <rminnich@gmail.com>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4878 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

src/lib/xmodem.c

@@ -19,10 +19,7 @@
 
 #include <string.h>
 #include <delay.h>
-
-extern void uart8250_tx_byte(unsigned, unsigned char);
-extern int uart8250_can_rx_byte(unsigned);
-extern unsigned char uart8250_rx_byte(unsigned);
+#include <uart8250.h>
 
 static int _inbyte(int msec)
 {