ARM: dts: exynos: Use interrupt for BCM4330 host wakeup in I9100

Switch away from using the deprecated 'host-wakeup-gpios' property,
and use a 'host-wakeup' interrupt instead, as suggested by the binding
documentation.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20211031234137.87070-2-paul@crapouillou.net
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>

arch/arm/boot/dts/exynos4210-i9100.dts

@@ -830,7 +830,10 @@
 		shutdown-gpios = <&gpl0 4 GPIO_ACTIVE_HIGH>;
 		reset-gpios = <&gpl1 0 GPIO_ACTIVE_LOW>;
 		device-wakeup-gpios = <&gpx3 1 GPIO_ACTIVE_HIGH>;
-		host-wakeup-gpios = <&gpx2 6 GPIO_ACTIVE_HIGH>;
+
+		interrupt-parent = <&gpx2>;
+		interrupts = <6 IRQ_TYPE_EDGE_FALLING>;
+		interrupt-names = "host-wakeup";
 	};
 };