Import the dt-bindings headers in preparation for switching to upstream
DTS for MSM8916.
Taken from kernel tag v6.7
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
