Add variables in configuration file. am: 3a79f6486d am: 02d737ce84 am: a4dcb796a5 am: dc7240a7a0

Original change: https://android-review.googlesource.com/c/platform/hardware/st/secure_element/+/1390778

Change-Id: Id72655c4c6ff6cbd61eb19371d05aa5995d46c7d