Blackfin serial driver: decouple PARODD and CMSPAR checking from PARENB

as the termios info does not stipulate that the former are dependent on the latter
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

drivers/serial/bfin_5xx.c

@@ -635,13 +635,12 @@ bfin_serial_set_termios(struct uart_port *port, struct ktermios *termios,
 
 	if (termios->c_cflag & CSTOPB)
 		lcr |= STB;
-	if (termios->c_cflag & PARENB) {
+	if (termios->c_cflag & PARENB)
 		lcr |= PEN;
 	if (!(termios->c_cflag & PARODD))
 		lcr |= EPS;
 	if (termios->c_cflag & CMSPAR)
 		lcr |= STP;
-	}
 
 	port->read_status_mask = OE;
 	if (termios->c_iflag & INPCK)