sh: Board updates for I/O routine rework.

This updates the various boards for some of the recent I/O routine
updates.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/boards/titan/io.c

@@ -30,10 +30,10 @@ static inline void delay(void)
         ctrl_inw(0xa0000000);
 }
 
-static inline volatile u16 *port2adr(unsigned int port)
+static inline unsigned int port2adr(unsigned int port)
 {
         maybebadio((unsigned long)port);
-        return (volatile u16*)port;
+        return port;
 }
 
 u8 titan_inb(unsigned long port)