arm64: dts: qcom: sdm845: do not customize SPI0 pin drive/bias

Each board should define pin drive/bias for used busses.  All boards
using SPI0 (db845c and cheza) already do it, so drop the bias/drive
strength from SoC DTSI.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221222151319.122398-4-krzysztof.kozlowski@linaro.org