Add a SoC string 'sdm845' for the qualcomm SDM845 SoC
Signed-off-by: NRajendra Nayak <rnayak@codeaurora.org>
Reviewed-by: NDouglas Anderson <dianders@chromium.org>
Reviewed-by: NRob Herring <robh@kernel.org>
Signed-off-by: NAndy Gross <andy.gross@linaro.org>