dt-bindings: pinctrl: qcom-pmic-gpio: Convert qcom pmic gpio bindings to YAML

Convert Qualcomm PMIC GPIO bindings from .txt to .yaml format.

Signed-off-by: satya priya <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Linus Walleij <[email protected]>

Author: satya priya