arm64: dts: qcom: lemans-evk: Enable GPIO expander interrupt for Lemans EVK

arm64: dts: qcom: lemans-evk: Enable GPIO expander interrupt for Lemans EVK

Enable PCA9538 expander as interrupt controller on Lemans EVK and configure
the corresponding TLMM pins via pinctrl to operate as GPIO inputs with
internal pull-ups.

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Swati Agarwal <swati.agarwal@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260306091355.1178333-2-swati.agarwal@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>