The fragmentation routine (used to split big frames) could be used in
target or initiator mode (TgSetMetaData vs InDataExchange), but the
MI/TG bytes are not needed in target mode (TgSetMetaData), so we
add a check on the mode
Signed-off-by: NOlivier Guiter <olivier.guiter@linux.intel.com>
Signed-off-by: NSamuel Ortiz <sameo@linux.intel.com>