arm64: zynqmp: Fix addresses in partition definitions

Node name should be <name>@<address> which is not how partitions are
described.

Issue was found by running dtbs_check as:
flash@0: 'partition@qspi-device-tree', 'partition@qspi-fsbl-uboot',
'partition@qspi-linux', 'partition@qspi-rootfs'
do not match any of the regexes: ...

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/arch/arm/dts/zynqmp-zc1751-xm018-dc4.dts b/arch/arm/dts/zynqmp-zc1751-xm018-dc4.dts
index 6655b86..9b38b8b 100644
--- a/arch/arm/dts/zynqmp-zc1751-xm018-dc4.dts
+++ b/arch/arm/dts/zynqmp-zc1751-xm018-dc4.dts
@@ -187,19 +187,19 @@
 		spi-tx-bus-width = <1>;
 		spi-rx-bus-width = <4>; /* also DUAL configuration possible */
 		spi-max-frequency = <108000000>; /* Based on DC1 spec */
-		partition@qspi-fsbl-uboot { /* for testing purpose */
+		partition@0 { /* for testing purpose */
 			label = "qspi-fsbl-uboot";
 			reg = <0x0 0x100000>;
 		};
-		partition@qspi-linux { /* for testing purpose */
+		partition@100000 { /* for testing purpose */
 			label = "qspi-linux";
 			reg = <0x100000 0x500000>;
 		};
-		partition@qspi-device-tree { /* for testing purpose */
+		partition@600000 { /* for testing purpose */
 			label = "qspi-device-tree";
 			reg = <0x600000 0x20000>;
 		};
-		partition@qspi-rootfs { /* for testing purpose */
+		partition@620000 { /* for testing purpose */
 			label = "qspi-rootfs";
 			reg = <0x620000 0x5E0000>;
 		};