arm64: dts: qcom: sm8250-mtp: add i2c device tree nodes

Add device tree nodes describing used i2c busses according to the dts
found in msm-4.19 tree.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20200913224738.30046-1-dmitry.baryshkov@linaro.org


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