samples: sensor: bme280: Move dts overlays under boards

Move the dts overlay under a boards/ dir to make it match conf files.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
This commit is contained in:
Kumar Gala 2020-03-31 12:02:11 -05:00 committed by Anas Nashif
commit d270a07d1e