hwmon: lm70: simplify with spi_get_device_match_data()

Use spi_get_device_match_data() helper to simplify a bit the driver.
Also kernel_ulong_t type is preferred for kernel code over uintptr_t
(needed for the cast).

Signed-off-by: Krzysztof Kozlowski <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Guenter Roeck <[e-mail]>

drivers/hwmon/lm70.c

···
 	struct lm70 *p_lm70;
 	int chip;
 
-	if (dev_fwnode(&spi->dev))
-		chip = (int)(uintptr_t)device_get_match_data(&spi->dev);
-	else
-		chip = spi_get_device_id(spi)->driver_data;
-
+	chip = (kernel_ulong_t)spi_get_device_match_data(spi);
 
 	/* signaling is SPI_MODE_0 */
 	if ((spi->mode & SPI_MODE_X_MASK) != SPI_MODE_0)