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-xm010.dts b/arch/arm/dts/zynq-zc770-xm010.dts
index 0c364df..2c594b7 100644
--- a/arch/arm/dts/zynq-zc770-xm010.dts
+++ b/arch/arm/dts/zynq-zc770-xm010.dts
@@ -54,8 +54,8 @@
 	status = "okay";
 	clock-frequency = <400000>;
 
-	m24c02_eeprom@52 {
-		compatible = "at,24c02";
+	eeprom: eeprom@52 {
+		compatible = "atmel,24c02";
 		reg = <0x52>;
 	};