Add TPS659038 Device Tree documentation.
Acked-by: NSamuel Ortiz <sameo@linux.intel.com>
Signed-off-by: NJ Keerthy <j-keerthy@ti.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NSamuel Ortiz <sameo@linux.intel.com>