serial_core: Deinline uart_update_mctrl, save 304 bytes

This function compiles to 92 bytes of machine code.
Signed-off-by: NDenys Vlasenko <dvlasenk@redhat.com>
CC: Jiri Slaby <jslaby@suse.com>
CC: linux-serial@vger.kernel.org
Reviewed-by: NPeter Hurley <peter@hurleysoftware.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/serial_core.c

@@ -110,7 +110,7 @@ static void uart_start(struct tty_struct *tty)
 	spin_unlock_irqrestore(&port->lock, flags);
 }
 
-static inline void
+static void
 uart_update_mctrl(struct uart_port *port, unsigned int set, unsigned int clear)
 {
 	unsigned long flags;