fix(fdts stm32mp1): set ETH clock on PLL4P on ST boards

Set Ethernet source clock on PLL4P. This is required to enable PTP.

Signed-off-by: Yann Gautier <yann.gautier@foss.st.com>
Change-Id: Ia64fbb681d3f04f2b90f373c5eb044f5daa2836c
2 files changed