arm64: dts: qcom: sdm630: fix UART1 pin bias

There is no "bias-no-pull" property.  Assume intentions were disabling
bias.

Fixes: b190fb01 ("arm64: dts: qcom: sdm630: Add sdm630 dts file")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221010114417.29859-1-krzysztof.kozlowski@linaro.org