tty/serial: pmac_zilog: Don't check port->sysrq

uart_handle_sysrq_char() already handles it.

Signed-off-by: Dmitry Safonov <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/tty/serial/pch_uart.c

···
 			if (uart_handle_break(port))
 				continue;
 		}
-		if (port->sysrq) {
-			if (uart_handle_sysrq_char(port, rbr))
-				continue;
-		}
+		if (uart_handle_sysrq_char(port, rbr))
+			continue;
 
 		buf[i++] = rbr;
 	}