dt-bindings: qcom: Add ipq8074 bindings

Document the new device-tree bindings for boards
HK10-C1 and HK10-C2 based on ipq8074 SoC.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Gokul Sriram Palanisamy <gokulsri@codeaurora.org>
Link: https://lore.kernel.org/r/1596706332-12957-2-git-send-email-gokulsri@codeaurora.org


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