arm64: dts: qcom: Add board support for HK10

Add initial support for IPQ8074 SoC based HK10-C1
and HK10-C2 evaluation boards.

Signed-off-by: Gokul Sriram Palanisamy <gokulsri@codeaurora.org>
Link: https://lore.kernel.org/r/1614328110-28866-2-git-send-email-gokulsri@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>