dt-bindings: pinctrl: samsung: Add exynos990-wakeup-eint compatible

Add a dedicated compatible for the exynos990-wakeup-eint node.
This SoC pin controller does not mux interrupts. It's compatible with
Exynos 850's node, while also being compatible with the Exynos7
fallback.

Signed-off-by: Igor Belwon <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Krzysztof Kozlowski <[email protected]>

Author: BotchedRPR

Documentation/devicetree/bindings/pinctrl/samsung,pinctrl-wakeup-interrupt.yaml

@@ -47,6 +47,7 @@ properties:
       - items:
           - enum:
               - google,gs101-wakeup-eint
+              - samsung,exynos990-wakeup-eint
               - samsung,exynosautov9-wakeup-eint
           - const: samsung,exynos850-wakeup-eint
           - const: samsung,exynos7-wakeup-eint