dt-bindings: qcom: lpass-lpi-common: add reserved GPIOs property

There can be reserved GPIOs on the LPASS LPI pin controller to possibly
control sensors. Add the property for reserved GPIOs so they can be
avoided appropriately.

Adapted from the same entry in qcom,tlmm-common.yaml.

Signed-off-by: Richard Acayan <mailingradian@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>

Author: flamingradian

Documentation/devicetree/bindings/pinctrl/qcom,lpass-lpi-common.yaml

@@ -27,6 +27,14 @@ properties:
   gpio-ranges:
     maxItems: 1
 
+  gpio-reserved-ranges:
+    minItems: 1
+    maxItems: 30
+    description:
+      Pins can be reserved for trusted applications or for LPASS, thereby
+      inaccessible from the OS. This property can be used to mark the pins
+      which resources should not be accessed by the OS.
+
 required:
   - gpio-controller
   - "#gpio-cells"