[SERIAL] Remove unused variable in clps711x.c

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

drivers/serial/clps711x.c

@@ -98,7 +98,7 @@ static irqreturn_t clps711xuart_int_rx(int irq, void *dev_id, struct pt_regs *re
 {
 	struct uart_port *port = dev_id;
 	struct tty_struct *tty = port->info->tty;
-	unsigned int status, ch, flg, ignored = 0;
+	unsigned int status, ch, flg;
 
 	status = clps_readl(SYSFLG(port));
 	while (!(status & SYSFLG_URXFE)) {