Add SD_IO_FBR_CIS_OFFSET for the Common CIS Pointer offset in the FBR (and the CCCR for that matter).
Add CCCR_CC_SMB and SD_IO_FBR_IOBLKSZ_OFFSET for the Card Capability SMB (Support Multiple Block Transfer) bit for CMD53 and the offset for the Function I/O block size within an FBR.
Sponsored by: The FreeBSD Foundation
MFC After: 2 weeks