misc: Replaced master/slave terminology

Change-Id: I4df2557c71e38cc4e3a485b0e590e85eb45de8b6
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/33553
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu>
Tested-by: kokoro <noreply+kokoro@google.com>

src/cpu/o3/commit_impl.hh

@@ -736,7 +736,7 @@ DefaultCommit<Impl>::handleInterrupt()
 {
     // Verify that we still have an interrupt to handle
     if (!cpu->checkInterrupts(0)) {
-        DPRINTF(Commit, "Pending interrupt is cleared by master before "
+        DPRINTF(Commit, "Pending interrupt is cleared by requestor before "
                 "it got handled. Restart fetching from the orig path.\n");
         toIEW->commitInfo[0].clearInterrupt = true;
         interrupt = NoFault;