scsi: message: fusion: fix a few trivial spelling mistakes

Trival fix to spelling mistakes:

 PrimativeSeqErrCount -> PrimitiveSeqErrCount
 Primative -> Primitive
 primative -> primitive
 mptsas_broadcast_primative_work -> mptsas_broadcast_primitive_work
 Broadcase -> Broadcast

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>