dt-bindings: rcc: Add optional external ethernet RX clock properties

Describe optional external ethernet RX clock in the DT binding
to fix dtbs_check warnings like:

arch/arm/boot/dts/stm32mp153c-dhcom-drc02.dt.yaml: rcc@50000000: 'assigned-clock-parents', 'assigned-clock-rates', 'assigned-clocks', 'clock-names', 'clocks' do not match any of the regexes: 'pinctrl-[0-9]+'

Signed-off-by: Marek Vasut <[email protected]>
Cc: Alexandre Torgue <[email protected]>
Cc: Gabriel Fernandez <[email protected]>
Cc: Rob Herring <[email protected]>
To: [email protected]
Acked-by: Gabriel Fernandez <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

0 files changed, 0 insertions, 0 deletions