arm64: dts: Add ipq6018 SoC and CP01 board support

Add initial device tree support for the Qualcomm IPQ6018 SoC and
CP01 evaluation board.

Co-developed-by: Abhishek Sahu <absahu@codeaurora.org>
Signed-off-by: Abhishek Sahu <absahu@codeaurora.org>
Co-developed-by: Sivaprakash Murugesan <sivaprak@codeaurora.org>
Signed-off-by: Sivaprakash Murugesan <sivaprak@codeaurora.org>
Signed-off-by: Sricharan R <sricharan@codeaurora.org>
Link: https://lore.kernel.org/r/1579439601-14810-5-git-send-email-sricharan@codeaurora.org


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