dt-bindings: arm: qcom: Add SM8350 HDK

Document the SM8350 Hardware Development Kit (HDK).

Reviewed-by: Vinod Koul <vkoul@kernel.org>
Reported-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210310035710.2816699-1-bjorn.andersson@linaro.org


Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>