arm64: xilinx: Do not use '_' in si5335 DT node names

Character '_' not recommended in node name. Use '-' instead.
Pretty much run sed below for node names.
s/si5335_/si5335-/

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/ac752b1e27f02efb32608188992bb7ae50e4b1b0.1695809130.git.michal.simek@amd.com
diff --git a/arch/arm/dts/zynqmp-zcu100-revC.dts b/arch/arm/dts/zynqmp-zcu100-revC.dts
index a84cd86..44d1b24 100644
--- a/arch/arm/dts/zynqmp-zcu100-revC.dts
+++ b/arch/arm/dts/zynqmp-zcu100-revC.dts
@@ -2,7 +2,8 @@
 /*
  * dts file for Xilinx ZynqMP ZCU100 revC
  *
- * (C) Copyright 2016 - 2021, Xilinx, Inc.
+ * (C) Copyright 2016 - 2022, Xilinx, Inc.
+ * (C) Copyright 2022 - 2023, Advanced Micro Devices, Inc.
  *
  * Michal Simek <michal.simek@amd.com>
  * Nathalie Chan King Choy
@@ -131,13 +132,13 @@
 		io-channels = <&u35 0>, <&u35 1>, <&u35 2>, <&u35 3>;
 	};
 
-	si5335_0: si5335_0 { /* clk0_usb - u23 */
+	si5335_0: si5335-0 { /* clk0_usb - u23 */
 		compatible = "fixed-clock";
 		#clock-cells = <0>;
 		clock-frequency = <26000000>;
 	};
 
-	si5335_1: si5335_1 { /* clk1_dp - u23 */
+	si5335_1: si5335-1 { /* clk1_dp - u23 */
 		compatible = "fixed-clock";
 		#clock-cells = <0>;
 		clock-frequency = <27000000>;