iio: pressure: bmp280-core: Make read-only const array conversion_time_max static

Don't populate the read-only array conversion_time_max on the stack at
run time, instead make it static.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://patch.msgid.link/20240722151738.572913-1-colin.i.king@gmail.comSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/pressure/bmp280-core.c

@@ -2265,7 +2265,7 @@ EXPORT_SYMBOL_NS(bmp580_chip_info, IIO_BMP280);
 
 static int bmp180_wait_for_eoc(struct bmp280_data *data, u8 ctrl_meas)
 {
-	const int conversion_time_max[] = { 4500, 7500, 13500, 25500 };
+	static const int conversion_time_max[] = { 4500, 7500, 13500, 25500 };
 	unsigned int delay_us;
 	unsigned int ctrl;
 	int ret;