dt-bindings: pinctrl: qcom,sm6115: use common TLMM schema

dt-bindings: pinctrl: qcom,sm6115: 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: Iskren Chernev <iskren.chernev@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20221017230012.47878-6-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>