staging: comedi: amplc_dio200_common: checkpatch.pl cleanup (else after return)

Fix these checkpatch.pl warnings:

WARNING: else is not generally useful after a break or return
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/amplc_dio200_common.c

@@ -156,7 +156,7 @@ static unsigned char dio200_read8(struct comedi_device *dev,
 	offset <<= thisboard->mainshift;
 	if (devpriv->io.regtype == io_regtype)
 		return inb(devpriv->io.u.iobase + offset);
-	else
+
 	return readb(devpriv->io.u.membase + offset);
 }
 
@@ -188,7 +188,7 @@ static unsigned int dio200_read32(struct comedi_device *dev,
 	offset <<= thisboard->mainshift;
 	if (devpriv->io.regtype == io_regtype)
 		return inl(devpriv->io.u.iobase + offset);
-	else
+
 	return readl(devpriv->io.u.membase + offset);
 }