dt-bindings: pinctrl: aspeed,ast2600-pinctrl: Add PCIe RC PERST# group

Add PCIe PERST# group to support for PCIe RC.

Signed-off-by: Jacky Chou <jacky_chou@aspeedtech.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

Author: aspeedJacky

Documentation/devicetree/bindings/pinctrl/aspeed,ast2600-pinctrl.yaml

@@ -141,6 +141,7 @@ additionalProperties:
         - NRTS3
         - NRTS4
         - OSCCLK
+        - PCIERC1
         - PEWAKE
         - PWM0
         - PWM1
@@ -369,6 +370,7 @@ additionalProperties:
         - NRTS3
         - NRTS4
         - OSCCLK
+        - PCIERC1
         - PEWAKE
         - PWM0
         - PWM1