configs: Fix duplicate branchPred reference in Simulation.py

Change-Id: I5ef5fb7ebc5fc2a4776adc43643c4df27efc341c
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/18769
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
diff --git a/configs/common/Simulation.py b/configs/common/Simulation.py
index 078ec0f..56107c1 100644
--- a/configs/common/Simulation.py
+++ b/configs/common/Simulation.py
@@ -486,7 +486,7 @@
             if options.indirect_bp_type:
                 IndirectBPClass = \
                     BPConfig.get_indirect(options.indirect_bp_type)
-                switch_cpus[i].branchPred.branchPred.indirectBranchPred = \
+                switch_cpus[i].branchPred.indirectBranchPred = \
                     IndirectBPClass()
 
         # If elastic tracing is enabled attach the elastic trace probe