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/phy.h b/drivers/scsi/isci/phy.h
index 9d21d27..97ebee1 100644
--- a/drivers/scsi/isci/phy.h
+++ b/drivers/scsi/isci/phy.h
@@ -57,7 +57,7 @@
 
 #include <scsi/sas.h>
 #include <scsi/libsas.h>
-#include "state_machine.h"
+#include "isci.h"
 #include "sas.h"
 
 /* This is the timeout value for the SATA phy to wait for a SIGNATURE FIS