cris: Provide inb_p() and outb_p()

drivers/block/hd.c: In function 'check_status':
drivers/block/hd.c:256:2: error: implicit declaration of function 'inb_p' [-Werror=implicit-function-declaration]
drivers/block/hd.c: In function 'controller_ready':
drivers/block/hd.c:297:3: error: implicit declaration of function 'outb_p' [-Werror=implicit-function-declaration]
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>

arch/cris/include/asm/io.h

@@ -167,6 +167,9 @@ static inline void outsl(unsigned int port, const void *addr,
 		cris_iops->write_io(port, (void *)addr, 4, count);
 }
 
+#define inb_p(port)             inb(port)
+#define outb_p(val, port)       outb((val), (port))
+
 /*
  * Convert a physical pointer to a virtual kernel pointer for /dev/mem
  * access