coverity: update for CCA measured boot patches

Some of the files introduced by the CCA attestation and measured boot
patches [1] are currently unused, due to the unavailability of a public
platform to test them on.

Ignore them in Coverity scans for now.

[1] https://review.trustedfirmware.org/q/topic:%22rss%252Fmboot-attest%22+(status:open%20OR%20status:merged)

Signed-off-by: Sandrine Bailleux <sandrine.bailleux@arm.com>
Change-Id: I5dcbe9d75f54de62a07734f510c942ab8b401f19
diff --git a/script/tf-coverity/coverity_tf_conf.py b/script/tf-coverity/coverity_tf_conf.py
index bd6d83c..55f1d2e 100644
--- a/script/tf-coverity/coverity_tf_conf.py
+++ b/script/tf-coverity/coverity_tf_conf.py
@@ -36,6 +36,15 @@
     ("drivers/arm/gic/v3/gic600ae_fmu.c", "Not used by any upstream platform"),
     ("drivers/arm/gic/v3/gic600ae_fmu_helpers.c", "Not used by any upstream platform"),
 
+    # The following files are related to on-going CCA Attestation and Measured
+    # boot development. There is no publicly available FVP platform to test
+    # these source files right now. Some limited testing is available on the AEM
+    # FVP, but these mock some of these interfaces.
+    ("drivers/arm/mhu/mhu_v2_x.c", "Not used by any upstream platform"),
+    ("drivers/arm/mhu/mhu_wrapper_v2_x.c", "Not used by any upstream platform"),
+    ("drivers/arm/rss/rss_comms.c", "Not used by any upstream platform"),
+    ("lib/psa/initial_attestation.c", "Not used by any upstream platform"),
+
     # The following block is excluding files that are impossible to include in a build due to a missing file
     # this should be removed as soon as it would be possible to build stingray platform with SCP_BL2 option
     ("drivers/brcm/iproc_gpio.c", "Cannot be built due to the missing m0_ipc.h file"),