Implement MMCBR_IVAR_CAPS for AT91 MCI device.
Implement MMCBR_IVAR_CAPS for AT91 MCI device.

Submitted by:	mav@ (well, not this one, but the base impl was)

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase