PRD: callout connented L4 bug

The rule code was doing a getConnectedParent() instead of
getConnectedChild().

Change-Id: I19a8e53779d23660f0061dd733f18fc90daff5b4
CQ: SW428711
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/58713
Reviewed-by: Benjamin J. Weisenbeck <bweisenb@us.ibm.com>
Reviewed-by: Matt Derksen <mderkse1@us.ibm.com>
Reviewed-by: Caleb N. Palmer <cnpalmer@us.ibm.com>
Reviewed-by: Brian J. Stegmiller <bjs@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Reviewed-by: Zane C. Shelley <zshelle@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/58723
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>

src/usr/diag/prdf/common/plat/cen/cen_centaur_actions.rule

@@ -62,7 +62,7 @@ actionclass threshold_and_mask_mba0 { calloutMba0; threshold_and_mask; };
 actionclass threshold_and_mask_mba1 { calloutMba1; threshold_and_mask; };
 
 /** Callout the connected L4 */
-actionclass calloutL4 { callout(connected(TYPE_L4), MRU_MED); };
+actionclass calloutL4 { callout(connected(TYPE_L4, 0), MRU_MED); };
 
 /** Callout the connected L4, threshold 1 */
 actionclass l4_th_1 { calloutL4; threshold1; };