ARM: dts: at91: sama7g5: add ram controllers

Add RAM and RAMC PHY controllers. These are necessary for platform
specific power management code.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20210823131915.23857-3-claudiu.beznea@microchip.com

arch/arm/boot/dts/sama7g5.dtsi

@@ -515,6 +515,18 @@ spi11: spi@400 {
 			};
 		};
 
+		uddrc: uddrc@e3800000 {
+			compatible = "microchip,sama7g5-uddrc";
+			reg = <0xe3800000 0x4000>;
+			status = "okay";
+		};
+
+		ddr3phy: ddr3phy@e3804000 {
+			compatible = "microchip,sama7g5-ddr3phy";
+			reg = <0xe3804000 0x1000>;
+			status = "okay";
+		};
+
 		gic: interrupt-controller@e8c11000 {
 			compatible = "arm,cortex-a7-gic";
 			#interrupt-cells = <3>;