arm64: dts: qcom: lemans-evk: Add TCA9534 I/O expander

arm64: dts: qcom: lemans-evk: Add TCA9534 I/O expander

Integrate the TCA9534 I/O expander via I2C to provide 8 additional
GPIO lines for extended I/O functionality.

Signed-off-by: Nirmesh Kumar Singh <quic_nkumarsi@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Wasim Nazir <wasim.nazir@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250916-lemans-evk-bu-v5-3-53d7d206669d@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>