iio: temperature: ltc2983: rename ltc2983_parse_dt()

Rename ltc2983_parse_dt() to ltc2983_parse_fw() as there's no explicit
dependency on devicetree. No functional change intended...
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240222-ltc2983-misc-improv-v1-2-cf7d4457e98c@analog.comSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/temperature/ltc2983.c

@@ -1346,7 +1346,7 @@ static irqreturn_t ltc2983_irq_handler(int irq, void *data)
 	__chan; \
 })
 
-static int ltc2983_parse_dt(struct ltc2983_data *st)
+static int ltc2983_parse_fw(struct ltc2983_data *st)
 {
 	struct device *dev = &st->spi->dev;
 	struct fwnode_handle *child;
@@ -1630,7 +1630,7 @@ static int ltc2983_probe(struct spi_device *spi)
 	st->eeprom_key = cpu_to_be32(LTC2983_EEPROM_KEY);
 	spi_set_drvdata(spi, st);
 
-	ret = ltc2983_parse_dt(st);
+	ret = ltc2983_parse_fw(st);
 	if (ret)
 		return ret;