arm64: dts: qcom: sm8350-sagami: Enable and populate I2C/SPI nodes

Based on current driver availability, add either nodes or comments regarding
peripherals connected via I2C/SPI.

Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211114012755.112226-14-konrad.dybcio@somainline.org