STOP: Fix SGPE UIH Messed up EIMR book keeping Error

Key_Cronus_Test=PM_REGRESS

Change-Id: I45738329963b55dedeb937e737580e882adf35ff
Original-Change-Id: Ie1611b009e95192a0dad3a47af14ef8a36dd454b
CQ: SW407045
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/49234
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Cronus HW CI <cronushw-ci+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Gregory S. Still <stillgs@us.ibm.com>
Reviewed-by: Michael S. Floyd <mfloyd@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>

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

@@ -308,6 +308,7 @@ typedef struct
 typedef struct
 {
     uint32_t starve_counter;
+    uint8_t  entry_pending;
 } sgpe_fit_t;
 
 /// SGPE Stop Score Board Structure