arm64: dts: mediatek: mt7622: fix memory node warning check

dtbs_check throws a warning at the memory node:
Warning (unit_address_vs_reg): /memory: node has a reg or ranges property, but no unit name

fix by adding the address into the node name.

Cc: stable@vger.kernel.org
Fixes: 0b6286dd ("arm64: dts: mt7622: add bananapi BPI-R64 board")
Signed-off-by: Eugen Hristev <eugen.hristev@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230814065042.4973-1-eugen.hristev@collabora.comSigned-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts

@@ -73,7 +73,7 @@ led-1 {
 		};
 	};
 
-	memory {
+	memory@40000000 {
 		reg = <0 0x40000000 0 0x40000000>;
 	};
 

arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts

@@ -55,7 +55,7 @@ key-wps {
 		};
 	};
 
-	memory {
+	memory@40000000 {
 		reg = <0 0x40000000 0 0x20000000>;
 	};