dt-bindings: pinctrl: qcom: update spi0 function

dt-bindings: pinctrl: qcom: update spi0 function

The GPIO configuration differs for the spi0 clk, cs, miso, mosi pins.
Therefore, split the spi0 pin group and document each pin function.

Fixes: b88752d3133b ("dt-bindings: pinctrl: qcom: add IPQ5424 pinctrl")
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@quicinc.com>
Link: https://lore.kernel.org/20241217091308.3253897-2-quic_mmanikan@quicinc.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>