ARM: dts: microchip: sama7d65: Add RTT and GPBR Support for sama7d65 SoC

Add RTT support for SAMA7D65 SoC. The GPBR is added so the SoC is able
to store the RTT time data.

Signed-off-by: Ryan Wanner <[email protected]>
Link: https://lore.kernel.org/r/e8868ef06102241b47883ba10edaed751831be6d.1744666011.git.Ryan.Wanner@microchip.com
[claudiu.beznea: keep nodes sorted by their address]
Signed-off-by: Claudiu Beznea <[email protected]>

Author: ryan-wanner

arch/arm/boot/dts/microchip/sama7d65.dtsi

@@ -132,13 +132,25 @@
 			status = "disabled";
 		};
 
+		rtt: rtc@e001d300 {
+			compatible = "microchip,sama7d65-rtt", "atmel,at91sam9260-rtt";
+			reg = <0xe001d300 0x30>;
+			interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clk32k 0>;
+		};
+
 		clk32k: clock-controller@e001d500 {
 			compatible = "microchip,sama7d65-sckc", "microchip,sam9x60-sckc";
 			reg = <0xe001d500 0x4>;
 			clocks = <&slow_xtal>;
 			#clock-cells = <1>;
 		};
 
+		gpbr: syscon@e001d700 {
+			compatible = "microchip,sama7d65-gpbr", "syscon";
+			reg = <0xe001d700 0x48>;
+		};
+
 		rtc: rtc@e001d800 {
 			compatible = "microchip,sama7d65-rtc", "microchip,sam9x60-rtc";
 			reg = <0xe001d800 0x30>;