arm: Add missing explicit overrides for ARM devices

Make clang >= 3.5 happy when compiling build/ARM/gem5.opt on OSX.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/dev/arm/rtc_pl031.hh b/src/dev/arm/rtc_pl031.hh
index 8c8fa1538..d3f1295dd 100644
--- a/src/dev/arm/rtc_pl031.hh
+++ b/src/dev/arm/rtc_pl031.hh
@@ -116,14 +116,14 @@ class PL031 : public AmbaIntDevice
      * @param pkt The memory request.
      * @param data Where to put the data.
      */
-    virtual Tick read(PacketPtr pkt);
+    Tick read(PacketPtr pkt) override;
 
     /**
      * Handle writes to the device
      * @param pkt The memory request.
      * @param data the data
      */
-    virtual Tick write(PacketPtr pkt);
+    Tick write(PacketPtr pkt) override;
 
     void serialize(CheckpointOut &cp) const override;
     void unserialize(CheckpointIn &cp) override;