ARM: dts: stm32: Move ethernet PHY into DH SoM DT

ARM: dts: stm32: Move ethernet PHY into DH SoM DT

[ Upstream commit b0a07f609600b6fa4c30f783db50c38456804485 ]

The PHY and the VIO regulator is populated on the SoM, move it
into the SoM DT.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Patrick Delaunay <patrick.delaunay@st.com>
Cc: linux-stm32@st-md-mailman.stormreply.com
To: linux-arm-kernel@lists.infradead.org
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>