identify.yaml: add acs-ir 2.1.1 with sie
Identify results from ACS-IR v24.03_2.1.1 with SIE.
Also, add a unit test.
Signed-off-by: 
Vincent Stehlé <vincent.stehle@arm.com>
Identify results from ACS-IR v24.03_2.1.1 with SIE.
Also, add a unit test.
Signed-off-by: Vincent Stehlé <vincent.stehle@arm.com>