Added documentation for the sysfs attributes supported by the rotation from north
sensor.
Signed-off-by: NReyad Attiyat <reyad.attiyat@gmail.com>
Acked-by: NSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>