ci: add test case for hw-rollback-protection

Signed-off-by: Roland Mikhel <roland.mikhel@arm.com>
Change-Id: If636d9179c6f06d4bf7452b8eb4f07d3829cf2d7
diff --git a/.github/workflows/sim.yaml b/.github/workflows/sim.yaml
index 4c15563..b1849b5 100644
--- a/.github/workflows/sim.yaml
+++ b/.github/workflows/sim.yaml
@@ -43,6 +43,7 @@
         - "sig-rsa validate-primary-slot direct-xip"
         - "sig-rsa validate-primary-slot ram-load multiimage"
         - "sig-rsa validate-primary-slot direct-xip multiimage"
+        - "sig-ecdsa hw-rollback-protection multiimage"
     runs-on: ubuntu-latest
     env:
       MULTI_FEATURES: ${{ matrix.features }}