arm64: dts: mediatek: mt8390-genio-common: Add Home MT6359 PMIC key support

Add in mt8390-genio-common dtsi file the support of Home MT6359 PMIC
key.

Signed-off-by: Louis-Alexis Eyraud <louisalexis.eyraud@collabora.com>
Link: https://lore.kernel.org/r/20250703-add-mt6359-pmic-keys-support-v1-2-21a4d2774e34@collabora.com
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

Author: laeyraud

arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi

@@ -1161,6 +1161,10 @@
 			linux,keycodes = <KEY_POWER>;
 			wakeup-source;
 		};
+
+		home {
+			linux,keycodes = <KEY_HOME>;
+		};
 	};
 };