make rename doc to match pcb name

doc/devices/PCB-K0801W-V2.0.md

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+# Hisource Hi-K0801WS
+
+Following is documentation for unmanaged switch marked as `Hi-K0801WS`.
+
+Using SPI clamp in-board is the only method for initial installation.
+
+### Label specifications
+
+- **Name**: 2.5G Ethernet Switch  
+- **Model**: Hi-K0801WS  
+- **Ports**:  
+  - 8 × RJ45: 10/100/1000/2500 Mbps  
+  - 1 × SFP: 1000 / 2500 / 10000 Mbps  
+
+### What works (expected from label + similar devices)
+
+- All eight 2.5GBASE-T RJ45 ports at 10/100/1000/2500 Mbps  
+- SFP port supporting 1G, 2.5G and 10G modules 
+- LEDs
+
+### PCB overview
+
+**Board markings**  
+- Top silkscreen: PCB-K0801W-V2.0 / DIP-KO801WS-V2.0  
+
+Top side
+
+<img src="photos/PCB-K0801W-V2.0/PCB-top.jpg" width="300" />
+
+Bottom
+
+<img src="photos/PCB-K0801W-V2.0/PCB-bottom.jpg" width="300" />
+
+## Power supply
+
+Input power is delivered via barell plug, `12V 1A` adapter was provided.