xilinx: Convert xlnx,eeprom property to nvmem alias

Convert all boards to use nvmem alias instead of xlnx,eeprom. The change is
done based on discussion in the link below.

Link: https://lore.kernel.org/r/CAL_JsqLMDqpkyg-Q7mUfw-XH67-v068Q6e9wTq2UOoN=0-_coQ@mail.gmail.com
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/arch/arm/dts/zynq-syzygy-hub.dts b/arch/arm/dts/zynq-syzygy-hub.dts
index 55f8e8a..cb878b0 100644
--- a/arch/arm/dts/zynq-syzygy-hub.dts
+++ b/arch/arm/dts/zynq-syzygy-hub.dts
@@ -16,6 +16,7 @@
 		ethernet0 = &gem0;
 		serial0 = &uart0;
 		mmc0 = &sdhci0;
+		nvmem0 = &eeprom;
 		i2c0 = &i2c1;
 	};
 
@@ -27,7 +28,6 @@
 	chosen {
 		bootargs = "";
 		stdout-path = "serial0:115200n8";
-		xlnx,eeprom = &eeprom;
 	};
 
 	usb_phy0: phy0 {