iio: pressure: bmp280: Use BME prefix for BME280 specifics

[ Upstream commit b23be4cd ]

Change the rest of the defines and function names that are
used specifically by the BME280 humidity sensor to BME280
as it is done for the rest of the BMP{0,1,3,5}80 sensors.

Signed-off-by: Vasileios Amoiridis <vassilisamir@gmail.com>
Link: https://lore.kernel.org/r/20240429190046.24252-3-vassilisamir@gmail.com


Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Stable-dep-of: b9065b02 ("iio: pressure: bmp280: Fix regmap for BMP280 device")
Signed-off-by: Sasha Levin <sashal@kernel.org>