mem: minor dprintf fix to abstract mem

print number of bytes written as a decimal number, not hex

src/mem/abstract_mem.cc

@@ -406,7 +406,7 @@ AbstractMemory::access(PacketPtr pkt)
         if (writeOK(pkt)) {
             if (pmemAddr) {
                 memcpy(hostAddr, pkt->getConstPtr<uint8_t>(), pkt->getSize());
-                DPRINTF(MemoryAccess, "%s wrote %x bytes to address %x\n",
+                DPRINTF(MemoryAccess, "%s wrote %i bytes to address %x\n",
                         __func__, pkt->getSize(), pkt->getAddr());
             }
             assert(!pkt->req->isInstFetch());