To prepare to upcoming dtc v1.4.6, fix warnings in dts files.
This commit addresses the following warning:
"unnecessary #address-cells/#size-cells without "ranges" or child
"reg" property in /gpio_keys".
Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
Move the dts files into the board dir so that board ports can be more
standalone. This will allow us at some point to have board ports
outside of the tree.
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>