ARM: at91/dt/trivial: before sama5d3, Atmel MPU were using at91 prefix

Change the sha/aes/tdes compatibility string to match common
case for the at91sam9g45 family which is to keep the at91 prefix.
Signed-off-by: NNicolas Ferre <nicolas.ferre@atmel.com>

arch/arm/boot/dts/sama5d3.dtsi

@@ -333,19 +333,19 @@
 			};
 
 			sha@f8034000 {
-				compatible = "atmel,sam9g46-sha";
+				compatible = "atmel,at91sam9g46-sha";
 				reg = <0xf8034000 0x100>;
 				interrupts = <42 IRQ_TYPE_LEVEL_HIGH 0>;
 			};
 
 			aes@f8038000 {
-				compatible = "atmel,sam9g46-aes";
+				compatible = "atmel,at91sam9g46-aes";
 				reg = <0xf8038000 0x100>;
 				interrupts = <43 IRQ_TYPE_LEVEL_HIGH 0>;
 			};
 
 			tdes@f803c000 {
-				compatible = "atmel,sam9g46-tdes";
+				compatible = "atmel,at91sam9g46-tdes";
 				reg = <0xf803c000 0x100>;
 				interrupts = <44 IRQ_TYPE_LEVEL_HIGH 0>;
 			};