dt-bindings: pinctrl: qcom: Add SM7150 pinctrl binding

Add device tree binding Documentation details for Qualcomm SM7150
TLMM device

Signed-off-by: Danila Tikhonov <danila@jiaxyga.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230311212114.108870-2-danila@jiaxyga.com


Signed-off-by: Linus Walleij <linus.walleij@linaro.org>