dt-bindings: pinctrl: qcom: allow nine interrupts on SM6350

dt-bindings: pinctrl: qcom: allow nine interrupts on SM6350

Almost all Qualcomm SoC Top Level Mode Multiplexers come with only
summary interrupt.  SM6350 is different because downstream and upstream
DTS have nine of the interrupts.  Allow such variation.

Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20221230135645.56401-7-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>