dt-bindings: iio: bosch,bme680: Move from trivial-devices and add supplies

Move dt-binding for BME680 out of trivial-devices.yaml and extend it by
adding the missing supplies.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Vasileios Amoiridis <vassilisamir@gmail.com>
Link: https://patch.msgid.link/20241202192341.33187-2-vassilisamir@gmail.com


Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>