serial/omap-serial: 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/omap-serial.c

@@ -1165,7 +1165,7 @@ serial_omap_type(struct uart_port *port)
 
 #define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE)
 
-static inline void wait_for_xmitr(struct uart_omap_port *up)
+static void wait_for_xmitr(struct uart_omap_port *up)
 {
 	unsigned int status, tmout = 10000;