dt-bindings: gpio: fsl,qoriq-gpio: Add compatible string fsl,mpc8314-gpio

This is for the MPC831{4,5}{,E} SoCs.

Signed-off-by: J. Neuschäfer <j.ne@posteo.net>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250102-mpc83xx-v1-11-86f78ba2a7af@posteo.net
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

Author: neuschaefer

Documentation/devicetree/bindings/gpio/fsl,qoriq-gpio.yaml

@@ -15,6 +15,7 @@ properties:
       - enum:
           - fsl,mpc5121-gpio
           - fsl,mpc5125-gpio
+          - fsl,mpc8314-gpio
           - fsl,mpc8349-gpio
           - fsl,mpc8572-gpio
           - fsl,mpc8610-gpio