cpu-o3: Fix bug in LSQUnit(uint32_t, uint32_t) ctor

Change 9af1214 added a new ctor to the LSQUnit, however
there is a typo/bug because it sizes the SQEntries
member variable to lqEntries + 1, as opposed to
sqEntries + 1. This change corrects the issue by
using sqEntries.

Change-Id: I19dfaa5c0e335bd7b84343a92034147d7c5d914e
Reviewed-on: https://gem5-review.googlesource.com/c/15015
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
diff --git a/src/cpu/o3/lsq_unit_impl.hh b/src/cpu/o3/lsq_unit_impl.hh
index 5438c4d..13b1487 100644
--- a/src/cpu/o3/lsq_unit_impl.hh
+++ b/src/cpu/o3/lsq_unit_impl.hh
@@ -144,7 +144,7 @@
 template <class Impl>
 LSQUnit<Impl>::LSQUnit(uint32_t lqEntries, uint32_t sqEntries)
     : lsqID(-1), storeQueue(sqEntries+1), loadQueue(lqEntries+1),
-      LQEntries(lqEntries+1), SQEntries(lqEntries+1),
+      LQEntries(lqEntries+1), SQEntries(sqEntries+1),
       loads(0), stores(0), storesToWB(0), cacheBlockMask(0), stalled(false),
       isStoreBlocked(false), storeInFlight(false), hasPendingPkt(false),
       pendingPkt(nullptr)