staging: iio: accel: Removed unnecessary else expression.

This patch fixes "else is not generally useful after a break or return"
checkpatch.pl warning in adis16220_core.c
Signed-off-by: Gulsah Kose <gulsah.1004@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/iio/accel/adis16220_core.c

@@ -323,15 +323,14 @@ static int adis16220_read_raw(struct iio_dev *indio_dev,
 		sval = (s16)(sval << (16 - bits)) >> (16 - bits);
 		*val = sval;
 		return IIO_VAL_INT;
-	} else {
-		ret = adis_read_reg_16(&st->adis, addr->addr, &uval);
-		if (ret)
-			return ret;
-		bits = addr->bits;
-		uval &= (1 << bits) - 1;
-		*val = uval;
-		return IIO_VAL_INT;
 	}
+	ret = adis_read_reg_16(&st->adis, addr->addr, &uval);
+	if (ret)
+		return ret;
+	bits = addr->bits;
+	uval &= (1 << bits) - 1;
+	*val = uval;
+	return IIO_VAL_INT;
 }
 
 static const struct iio_chan_spec adis16220_channels[] = {