RSE: Add asymmetric provisioning config for TC4

Add a build configuration for TC4 which disables
RSE_SYMMETRIC_PROVISIONING. This verifies the flow which uses separate
keys for encryption and signing of blobs.

Change-Id: I7d1dc8daadd994e4b565861e17bd01bc09a6a530
Signed-off-by: Jackson Cooper-Driver <jackson.cooper-driver@arm.com>
diff --git a/build_helper/build_helper_config_maps.py b/build_helper/build_helper_config_maps.py
index bfe550f..372f9da 100644
--- a/build_helper/build_helper_config_maps.py
+++ b/build_helper/build_helper_config_maps.py
@@ -144,7 +144,10 @@
     "ATTESTATION_SCHEME_DPE"    : ("-DEXTRA_S_TEST_SUITE_PATH=%(codebase_root_dir)s/../tf-m-extras/partitions/dice_protection_environment/test/secure "),
     "ATTESTATION_SCHEME_CCA"    : ("-DTFM_ATTESTATION_SCHEME=CCA "
                                    "-DEXTRA_S_TEST_SUITE_PATH=%(codebase_root_dir)s/../tf-m-extras/partitions/delegated_attestation/test/secure "
-                                   "-DEXTRA_NS_TEST_SUITE_PATH=%(codebase_root_dir)s/../tf-m-extras/partitions/measured_boot/test/non_secure ")
+                                   "-DEXTRA_NS_TEST_SUITE_PATH=%(codebase_root_dir)s/../tf-m-extras/partitions/measured_boot/test/non_secure "),
+
+    # Provisioning blob signing
+    "RSE_PROVISIONING_ASYMMETRIC" : ("-DRSE_SYMMETRIC_PROVISIONING=OFF")
 }
 
 mapTfmExtrasExamplePaths = {