tests_reg: Add test for client-id translation

Add a test case in regression tests for the client-id translation
for the following configuration: ns_agent and IPC.

Signed-off-by: Nicola Mazzucato <nicola.mazzucato@arm.com>
Change-Id: I2585720cddd34f0ed95e018834cae9592e57bdab
4 files changed