OPNSense/src c9524b0sys/dev/mmc mmc.c

Revert "MMC, HS200/HS400 support seems to break mmc legacy support, clock probing seems to have issues."

This reverts commit c4ec367c3d9c4c29da94411b29fe6bfa55cb5d09.
DeltaFile
+118-29sys/dev/mmc/mmc.c
+118-291 files

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