dt-bindings: pinctrl: samsung: add exynos8890-wakeup-eint compatible

Add a dedicated compatible for exynos8890.

Signed-off-by: Ivaylo Ivanov <ivo.ivanov.ivanov1@gmail.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Author: ivoszbg

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

@@ -41,6 +41,7 @@ properties:
               - samsung,exynos7870-wakeup-eint
               - samsung,exynos7885-wakeup-eint
               - samsung,exynos850-wakeup-eint
+              - samsung,exynos8890-wakeup-eint
               - samsung,exynos8895-wakeup-eint
           - const: samsung,exynos7-wakeup-eint
       - items: