pfalcon_templates.yml: Bump max_instances to 6 to see how it goes.

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
Change-Id: Ib4ba962468bd3270f2ce66c9d07bba9ef8028bf4
diff --git a/pfalcon_templates.yml b/pfalcon_templates.yml
index d1fe336..d69cce6 100644
--- a/pfalcon_templates.yml
+++ b/pfalcon_templates.yml
@@ -5,4 +5,4 @@
   launch_method: 'launch_ssh'
   ssh: !include docker_ssh_buildslave.yml
   volumes: '/data/shared:/srv/shared:rw'
-  max_instances: '5'
+  max_instances: '6'