* Rename BMP280 to BME280 which is a superset for the former.
* Autodetect device based on chip ID.
* Implement humidity fetching and reading for BME280
* Rename sample BMP280 to BME280
Change-Id: I565c769a7011e7496c9f1cad861d5ee311839b4f
Signed-off-by: Murtaza Alexandru <alexandru.murtaza@intel.com>
