Re-enable PGPE beacon error detection

Change-Id: I870baf3fc389995b8be30d489e531d131a7c84a0
RTC: 170963
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/40611
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Andres A. Lugo-Reyes <aalugore@us.ibm.com>
Reviewed-by: William A. Bryan <wilbryan@us.ibm.com>
Reviewed-by: Christopher J. Cain <cjcain@us.ibm.com>

src/occ_405/timer/timer.c

@@ -467,7 +467,7 @@ void check_pgpe_beacon(void)
     static bool     L_first_pgpe_beacon_check   = true;  // First time examining Beacon?
     static bool     L_pgpe_beacon_unchanged_4ms = false; // pgpe beacon unchanged once (4ms)
     static bool     L_error_logged              = false; // trace and error log only once
-    //errlHndl_t      l_err                       = NULL;  // Error handler
+    errlHndl_t      l_err                       = NULL;  // Error handler
     static bool L_unchanged_traced = false;
     static int  L_unchanged_count = 0;
 
@@ -508,8 +508,6 @@ void check_pgpe_beacon(void)
                 {
                     TRAC_ERR("Error PGPE Beacon didn't change for 8 ms: 0x%08X", pgpe_beacon);
                     L_error_logged = true;
-                    // TODO: RTC 170963 - re-enable reset when beacon starts working
-#if 0
                     /*
                      * @errortype
                      * @moduleid    POKE_WD_TIMERS
@@ -530,7 +528,6 @@ void check_pgpe_beacon(void)
 
                     // Commit error log and request reset
                     REQUEST_RESET(l_err);
-#endif
                 }
             }
         }