[nrf fromlist] manifest: tf-m-tests: bring in fix for TF-M 2.2.0

Fixup to the TF-M 2.2.0 update.

Signed-off-by: Tomi Fontanilles <[email protected]>

Upstream PR #: 94729

Signed-off-by: Tomi Fontanilles <[email protected]>
(cherry picked from commit b48a1f2)

Author: tomi-font

submanifests/optional.yaml

@@ -35,7 +35,7 @@ manifest:
       groups:
         - optional
     - name: tf-m-tests
-      revision: a286347e6a5dd37a9a5e960450ffc0260d63fb27
+      revision: a90702bcb8fadb6f70daf0ffbb13888dfe63fc99
       path: modules/tee/tf-m/tf-m-tests
       remote: upstream
       groups: