misc: Stop using BaseCPU::getSendFunctional.

This method is no longer used, and has been replaced by the
ThreadContext::sendFunctional method.

Change-Id: I5a37f44d922245f681b6185c27232150a4eea4f0
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/45864
Maintainer: Gabe Black <gabe.black@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Yu-hsin Wang <yuhsingw@google.com>
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>

src/cpu/thread_state.cc

@@ -88,11 +88,7 @@ ThreadState::initMemProxies(ThreadContext *tc)
     // switching the CPU in.
     if (FullSystem) {
         assert(physProxy == NULL);
-        // This cannot be done in the constructor as the thread state
-        // itself is created in the base cpu constructor and the
-        // getSendFunctional is a virtual function
-        physProxy = new PortProxy(baseCpu->getSendFunctional(),
-                                  baseCpu->cacheLineSize());
+        physProxy = new PortProxy(tc, baseCpu->cacheLineSize());
 
         assert(virtProxy == NULL);
         virtProxy = new TranslatingPortProxy(tc);