STOP: Init code before starting threads

Change-Id: I377ca62c25f6d8fe79885ff5ca3d239104091f55
Original-Change-Id: Icbd3cb6e0f647b78391bb405f6cfc6ae25d1326a
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/43112
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Reviewed-by: BRIAN D. VICTOR <brian.d.victor1@ibm.com>
Reviewed-by: CHRISTOPHER M. RIEDL <cmriedl@us.ibm.com>
Reviewed-by: Gregory S. Still <stillgs@us.ibm.com>

import/chips/p9/procedures/ppe_closed/sgpe/stop_gpe/p9_sgpe_stop.h

@@ -318,12 +318,15 @@ void p9_sgpe_ipi3_low_handler(void*, PkIrqId);
 void p9_sgpe_stop_suspend_db1_cme(uint32_t, uint32_t);
 
 /// SGPE STOP Entry and Exit Prototypes
+void p9_sgpe_stop_init();
+void p9_sgpe_stop_cme_scominit(uint32_t, uint32_t, uint32_t);
+
 void p9_sgpe_stop_enter_thread(void*);
-void p9_sgpe_stop_exit_thread(void*);
 void p9_sgpe_stop_entry();
+
+void p9_sgpe_stop_exit_thread(void*);
 void p9_sgpe_stop_exit();
 void p9_sgpe_stop_exit_handoff_cme(uint32_t);
-void p9_sgpe_stop_cme_scominit(uint32_t, uint32_t, uint32_t);
 
 /// Procedures shared between Istep4 and SGPE Stop
 void p9_hcd_cache_chiplet_l3_dcc_setup(uint32_t);