ARM: dts: at91: sama5: Add the sfr node

For sama5d2, add the sfr node with syscon support.

In order to access the SFR_UTMICKTRIM register for the utmi clock
driver, add the phandle property for the utmi node to point to the
sfr node.

Signed-off-by: Wenyou Yang <wenyou.yang@microchip.com>

arch/arm/dts/sama5d2.dtsi

@@ -122,6 +122,7 @@
 					compatible = "atmel,at91sam9x5-clk-utmi";
 					#clock-cells = <0>;
 					clocks = <&main>;
+					regmap-sfr = <&sfr>;
 					u-boot,dm-pre-reloc;
 				};
 
@@ -660,6 +661,11 @@
 				status = "disabled";
 			};
 
+			sfr: sfr@f8030000 {
+				compatible = "atmel,sama5d2-sfr", "syscon";
+				reg = <0xf8030000 0x98>;
+			};
+
 			sckc@f8048050 {
 				compatible = "atmel,at91sam9x5-sckc";
 				reg = <0xf8048050 0x4>;

arch/arm/dts/sama5d3.dtsi

@@ -998,6 +998,8 @@
 					interrupt-parent = <&pmc>;
 					interrupts = <AT91_PMC_LOCKU>;
 					clocks = <&main>;
+					regmap-sfr = <&sfr>;
+					u-boot,dm-pre-reloc;
 				};
 
 				mck: masterck {