Set unprovision and active timeout to match build_timeout

The build_timeout for the ironic baremetal build is at
340s. Modify the unprovision_timeout and active_timeout
to match BUILD_TIMEOUT to avoid frequent failures during
IPA gate jobs.

Change-Id: Idfdc54210e33c71719c7fd0c905d0b802809e173
Related-Bug: #1393099
diff --git a/lib/tempest b/lib/tempest
index 76fd6ca..0c54f97 100644
--- a/lib/tempest
+++ b/lib/tempest
@@ -508,7 +508,8 @@
     # Baremetal
     if [ "$VIRT_DRIVER" = "ironic" ] ; then
         iniset $TEMPEST_CONFIG baremetal driver_enabled True
-        iniset $TEMPEST_CONFIG baremetal unprovision_timeout 300
+        iniset $TEMPEST_CONFIG baremetal unprovision_timeout $BUILD_TIMEOUT
+        iniset $TEMPEST_CONFIG baremetal active_timeout $BUILD_TIMEOUT
         iniset $TEMPEST_CONFIG baremetal deploy_img_dir $FILES
         iniset $TEMPEST_CONFIG baremetal node_uuid $IRONIC_NODE_UUID
         iniset $TEMPEST_CONFIG compute-feature-enabled change_password False