Rename polaris to corstone310

The polaris platform was renamed so the path
and name had to be updated.

Change-Id: I6d8497c3a2654f562541d5b4a44910fafbb9a81b
diff --git a/tf-m-release.yaml b/tf-m-release.yaml
index ecf9418..7bfa5bc 100644
--- a/tf-m-release.yaml
+++ b/tf-m-release.yaml
@@ -24,7 +24,7 @@
           default: "release_test release_profile_s release_profile_m release_profile_l \
                     release_cc_driver_psa release_fp release_psa_api \
                     release_nsce release_mmio release_an547 release_an552 \
-                    release_polaris release_psoc64 \
+                    release_corstone310 release_psoc64 \
                     release_stm32l562e_dk release_lpcxpresso55s69"
           description: |
             Filter to a group of configurations as recognised by configs.py