travis.yml: Add job for running test.py in qemu_arm

Note that this commit requires
https://github.com/swarren/uboot-test-hooks/pull/14 to go in first.

Signed-off-by: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>
diff --git a/.travis.yml b/.travis.yml
index 00b2a73..7012fd1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -286,6 +286,11 @@
           QEMU_TARGET="arm-softmmu"
           BUILDMAN="^integratorcp_cm926ejs$"
     - env:
+        - TEST_PY_BD="qemu_arm"
+          TEST_PY_TEST_SPEC="not sleep"
+          QEMU_TARGET="arm-softmmu"
+          BUILDMAN="^qemu_arm$"
+    - env:
         - TEST_PY_BD="qemu_mips"
           TEST_PY_TEST_SPEC="not sleep"
           QEMU_TARGET="mips-softmmu"