arm64: dts: meson-gxl-s905w-tx3-mini: add rc-tx3mini keymap

add the rc-tx3mini keymap to the ir node
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

arch/arm64/boot/dts/amlogic/meson-gxl-s905w-tx3-mini.dts

@@ -20,3 +20,7 @@ memory@0 {
 		reg = <0x0 0x0 0x0 0x40000000>; /* 1 GiB or 2 GiB */
 	};
 };
+
+&ir {
+	linux,rc-map-name = "rc-tanix-tx3mini";
+};