arm: zynq: Fix eeprom dt nodes

- Use eeprom for node name
- Use atmel compatible string instead of at.
- Add missing labels

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/arch/arm/dts/zynq-zc770-xm011.dts b/arch/arm/dts/zynq-zc770-xm011.dts
index f711675..3fe6eb5 100644
--- a/arch/arm/dts/zynq-zc770-xm011.dts
+++ b/arch/arm/dts/zynq-zc770-xm011.dts
@@ -41,8 +41,8 @@
 	status = "okay";
 	clock-frequency = <400000>;
 
-	m24c02_eeprom@52 {
-		compatible = "at,24c02";
+	eeprom: eeprom@52 {
+		compatible = "atmel,24c02";
 		reg = <0x52>;
 	};
 };