arm64: dts: qcom: sdm845-oneplus-common: add Hall sensor

Enable the Hall effect sensor (flip cover) for OnePlus 6/6T.
The GPIO is mapped to SW_LID events as in msm8916, msm8994,
msm8998 devices.

Signed-off-by: Gergo Koteles <soyer@irl.hu>
Reviewed-by: Caleb Connolly <caleb@connolly.tech>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230306174147.185239-1-soyer@irl.hu