Add  JNLP in RMM docker image

Arm internal Jenkins controllers expect inbound (JNLP) agents.
This adds the Jenkins agent binaries and entrypoint so the same
Docker image can be reused across controllers.

Change-Id: I5ea16e6c364114ea11a66721ee205fd268d8baa5
Signed-off-by: Saheer Babu <saheer.babu@arm.com>
1 file changed