dt-bindings: net: toshiba,visconti-dwmac: Update the common clock properties

The clock for this driver switched to the common clock controller driver.
Therefore, update common clock properties for ethernet device in the binding
document.

Signed-off-by: Nobuhiro Iwamatsu <[e-mail]>
Acked-by: Rob Herring <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

Documentation/devicetree/bindings/net/toshiba,visconti-dwmac.yaml

···
 
 examples:
   - |
+    #include <dt-bindings/clock/toshiba,tmpv770x.h>
     #include <dt-bindings/interrupt-controller/arm-gic.h>
 
     soc {
···
             reg = <0 0x28000000 0 0x10000>;
             interrupts = <GIC_SPI 156 IRQ_TYPE_LEVEL_HIGH>;
             interrupt-names = "macirq";
-            clocks = <&clk300mhz>, <&clk125mhz>;
+            clocks = <&pismu TMPV770X_CLK_PIETHER_BUS>, <&pismu TMPV770X_CLK_PIETHER_125M>;
             clock-names = "stmmaceth", "phy_ref_clk";
             snps,txpbl = <4>;
             snps,rxpbl = <4>;