travis-ci: Add qemu-x86_64 target

Add qemu-x86_64 to the list of targets we use for test.py runs.

Signed-off-by: Tom Rini <trini@konsulko.com>

.travis.yml

@@ -379,6 +379,13 @@ matrix:
           BUILDMAN="^qemu-x86$"
           TOOLCHAIN="x86_64"
           BUILD_ROM="yes"
+    - env:
+        - TEST_PY_BD="qemu-x86_64"
+          TEST_PY_TEST_SPEC="not sleep"
+          QEMU_TARGET="x86_64-softmmu"
+          BUILDMAN="^qemu-x86_64$"
+          TOOLCHAIN="x86_64"
+          BUILD_ROM="yes"
     - env:
         - TEST_PY_BD="zynq_zc702"
           TEST_PY_TEST_SPEC="not sleep"