build_helpers: Change Reg test for TC3 to Release mode

The current regression tests for TC3 cover the debug builds,
but it's too verbose, so replace it with a Release build.

Signed-off-by: Nicola Mazzucato <nicola.mazzucato@arm.com>
Change-Id: I2cb2ff1c312f3a5590b8fac589f51e3d5778eb11
diff --git a/build_helper/build_helper_configs.py b/build_helper/build_helper_configs.py
index e24a4d5..cf20ab3 100755
--- a/build_helper/build_helper_configs.py
+++ b/build_helper/build_helper_configs.py
@@ -357,9 +357,9 @@
                     # MUSCA_S1_GCC_1_RegBL2_RegS_RegNS_Release_BL2_CC_DRIVER_PSA
                     ("arm/musca_s1", "GCC_10_3", "1",
                      "RegBL2, RegS, RegNS", "OFF", "Release", True, "", "CC_DRIVER_PSA"),
-                    # RSE_TC3_GCC_3_RegS_RegNS_Debug_BL2_ATTESTATION_SCHEME_DPE
+                    # RSE_TC3_GCC_3_RegS_RegNS_Release_BL2_ATTESTATION_SCHEME_DPE
                     ("arm/rse/tc/tc3", "GCC_10_3", "3",
-                     "RegS, RegNS", "OFF", "Debug", True, "", "ATTESTATION_SCHEME_DPE"),
+                     "RegS, RegNS", "OFF", "Release", True, "", "ATTESTATION_SCHEME_DPE"),
                     # RSE_TC3_GCC_2_RegBL1_1_Debug_BL2
                     ("arm/rse/tc/tc3", "GCC_10_3", "2",
                      "RegBL1_1", "OFF", "Debug", True, "", ""),