Build Diphda in per-patch and nightly jobs

Signed-off-by: Xinyu Zhang <xinyu.zhang@arm.com>
Change-Id: Ieee0d71596427ddbbcd1229554879c3d24cca583
diff --git a/tf-m-build-and-test.yaml b/tf-m-build-and-test.yaml
index b23520c..539672b 100644
--- a/tf-m-build-and-test.yaml
+++ b/tf-m-build-and-test.yaml
@@ -27,7 +27,7 @@
       - string:
           name: 'FILTER_GROUP'
           # TODO once available, use a group that filters to configurations we want
-          default: 'pp_test pp_OTP pp_psoc64'
+          default: 'pp_test pp_OTP pp_psoc64 diphda'
           description: |
             Filter to a group of configurations as recognised by configs.py
       - string: