dt-bindings: pinctrl: qcom,sc7280: correct number of GPIOs

SC7280 has 175 GPIOs (gpio0-174), so correct size of gpio-line-names and
narrow the pattern for matching pin names.

Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221016172212.49105-16-krzysztof.kozlowski@linaro.org


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