arm64: dts: ti: verdin-am62: Set memory size to 2gb

The maximum DDR RAM size stuffed on the Verdin AM62 is 2GB,
correct the memory node accordingly.

Fixes: 316b8024 ("arm64: dts: ti: add verdin am62")
Cc: <stable@vger.kernel.org>
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
Reviewed-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/r/20240320142937.2028707-1-max.oss.09@gmail.comSigned-off-by: Nishanth Menon <nm@ti.com>

arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi

@@ -76,7 +76,7 @@ verdin_key_wakeup: key-wakeup {
 
 	memory@80000000 {
 		device_type = "memory";
-		reg = <0x00000000 0x80000000 0x00000000 0x40000000>; /* 1G RAM */
+		reg = <0x00000000 0x80000000 0x00000000 0x80000000>; /* 2G RAM */
 	};
 
 	opp-table {