dt-bindings: pinctrl: qcom,sdx55: use common TLMM schema

Reference common Qualcomm TLMM pin controller schema, to bring common
properties, other pinctrl schemas and additional checks, like function
required only for GPIOs.

Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20221016170035.35014-30-krzysztof.kozlowski@linaro.org


Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>