Add IPC backend test groups

Signed-off-by: Xinyu Zhang <xinyu.zhang@arm.com>
Change-Id: Iae9aed0971c791be804c49004b13bc12f0b5df65
diff --git a/tf-m-nightly.yaml b/tf-m-nightly.yaml
index b348afa..2fd895b 100644
--- a/tf-m-nightly.yaml
+++ b/tf-m-nightly.yaml
@@ -23,7 +23,7 @@
           name: 'FILTER_GROUP'
           default: "nightly_test nightly_profile_s nightly_profile_m nightly_profile_m_arotless \
                     nightly_profile_l nightly_cc_driver_psa nightly_fp nightly_psa_api \
-                    nightly_nsce nightly_mmio nightly_an547 nightly_an552 \
+                    nightly_ipc_backend nightly_nsce nightly_mmio nightly_an547 nightly_an552 \
                     nightly_corstone310 nightly_corstone1000 nightly_rss nightly_psoc64 \
                     nightly_stm32l562e_dk nightly_lpcxpresso55s69"
           description: |