Merge branch 'xilinx-clock-support'

Vineeth Karumanchi says:

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net: xilinx_gmii2rgmii: Add clock support

Add input clock support to gmii_to_rgmii IP.
Add "clocks" bindings for the input clock.

Changes in v3:
- Added items constraints.

Changes in v2:
- removed "clkin" clock name property.
v2 link : https://lore.kernel.org/netdev/20240517054745.4111922-1-vineeth.karumanchi@amd.com/

v1 link : https://lore.kernel.org/netdev/20240515094645.3691877-1-vineeth.karumanchi@amd.com/
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Signed-off-by: David S. Miller <davem@davemloft.net>