isci: additional state machine cleanup

Additional state machine cleanups:

 o Remove static functions sci_state_machine_exit_state() and
   sci_state_machine_enter_state()
 o Combines sci_base_state_machine_construct() and
   sci_base_state_machine_start() into a single function,
   sci_init_sm()
 o Remove sci_base_state_machine_stop() which is unused.
 o Kill state_machine.[ch]

Signed-off-by: Edmund Nadolski <edmund.nadolski@intel.com>
[fixed too large to inline functions]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c
index 89f0ab9..8bd1f7d 100644
--- a/drivers/scsi/isci/request.c
+++ b/drivers/scsi/isci/request.c
@@ -3077,10 +3077,7 @@
 				   u16 io_tag,
 				   struct scic_sds_request *sci_req)
 {
-	sci_base_state_machine_construct(&sci_req->sm,
-					 scic_sds_request_state_table,
-					 SCI_REQ_INIT);
-	sci_base_state_machine_start(&sci_req->sm);
+	sci_init_sm(&sci_req->sm, scic_sds_request_state_table, SCI_REQ_INIT);
 
 	sci_req->io_tag = io_tag;
 	sci_req->owning_controller = scic;