Introduce 2 new properties in dwamc-stm32 documentation

 - phy-supply: to manage PHY regulator.
 - st,ext-phyclk: is present since 2020 in driver so need to explain
   it.

Christophe Roullier (2):
  dt-bindings: net: add phy-supply property for stm32
  dt-bindings: net: add new property st,ext-phyclk in documentation for
    stm32

 .../devicetree/bindings/net/stm32-dwmac.yaml         | 12 ++++++++++++
 1 file changed, 12 insertions(+)

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2.25.1