PRD: change threshold for L3FIR[28] LRU parity error

Change-Id: I35db6f415f2130925310bbc0719a2e41dc42a3d0
CQ: SW440266
Backport: release-fips910
Backport: release-op910
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/63569
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Reviewed-by: Caleb N. Palmer <cnpalmer@us.ibm.com>
Reviewed-by: Brian J. Stegmiller <bjs@us.ibm.com>
Reviewed-by: Benjamin J. Weisenbeck <bweisenb@us.ibm.com>
Reviewed-by: Zane C. Shelley <zshelle@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/63589
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>

src/usr/diag/prdf/common/plat/p9/p9_ex_actions.rule

@@ -47,7 +47,7 @@ actionclass l3_dir_ce
 
 actionclass l3_lru_parity_error
 {
-    self_th_1;
+    threshold32pday;
     funccall("cacheCeWorkaround");
 };