serial: 8250: do not copy port.fifosize member twice

The port.fifosize member has already been copied at 8 lines above.
Maybe the compiler optimization can clean it away, but just in case.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index 5521ff8..242e796 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -3840,7 +3840,6 @@
 		uart->port.mapbase      = up->port.mapbase;
 		uart->port.mapsize      = up->port.mapsize;
 		uart->port.private_data = up->port.private_data;
-		uart->port.fifosize	= up->port.fifosize;
 		uart->tx_loadsz		= up->tx_loadsz;
 		uart->capabilities	= up->capabilities;
 		uart->port.throttle	= up->port.throttle;