[coreboot-gerrit] Change in coreboot[master]: mainboard/sifive/hifive-unleashed: Update devicetree

[Philipp Hug (Code Review)]

Philipp Hug has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/35122 )

Change subject: mainboard/sifive/hifive-unleashed: Update devicetree
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Patch Set 2: Code-Review+2

Thanks.
fu540-c000.dtsi should be moved into the fu540 soc directory when there is more than one mainboard using that SoC.