EmbeddedPkg/MmcDxe: Set the BlockLength at the beginning of the BlockIo transfer
EmbeddedPkg/MmcDxe: Set the BlockLength at the beginning of the BlockIo transfer

Before the SetBlockLength command was called prior to a Read or Write command.



git-svn-id: 5648d1bec6962b0a6d1d1b40eba8cf5cdb62da3d@12133 6f19259b-4bc3-4df7-8a09-765794883524

MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2