tests/vm: Do not use -enable-kvm if HOST != TARGET architecture

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20181013004034.6968-8-f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Fam Zheng <famz@redhat.com>

tests/vm/basevm.py

@@ -74,7 +74,7 @@ class BaseVM(object):
             "-serial", "file:%s" % os.path.join(self._tmpdir, "serial.out")]
         if vcpus and vcpus > 1:
             self._args += ["-smp", str(vcpus)]
-        if kvm_available():
+        if kvm_available(self.arch):
             self._args += ["-enable-kvm"]
         else:
             logging.info("KVM not available, not using -enable-kvm")