serial/m32r_sio: Deinline wait_for_xmitr, save 165 bytes

This function compiles to 141 bytes of machine code.
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
CC: Jiri Slaby <jslaby@suse.com>
CC: linux-serial@vger.kernel.org
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/m32r_sio.c

@@ -990,7 +990,7 @@ static void __init m32r_sio_register_ports(struct uart_driver *drv)
 /*
  *	Wait for transmitter & holding register to empty
  */
-static inline void wait_for_xmitr(struct uart_sio_port *up)
+static void wait_for_xmitr(struct uart_sio_port *up)
 {
 	unsigned int status, tmout = 10000;