soc: qcom: pmic_glink: Increase max ports to 3

Up until now, all Qualcomm platforms only had maximum 2 ports. The X Elite
(x1e80100) adds a third one. Increase the maximum allowed to 3.

Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240527-x1e80100-soc-qcom-pmic-glink-v1-1-e5c4cda2f745@linaro.org


Signed-off-by: Bjorn Andersson <andersson@kernel.org>