Fix missing SHA-224 in test driver build

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 73191b6..2412c60 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -2046,7 +2046,9 @@
     scripts/config.py -f include/psa/crypto_config.h unset PSA_WANT_ALG_STREAM_CIPHER
     scripts/config.py -f include/psa/crypto_config.h unset PSA_WANT_ALG_ECB_NO_PADDING
 
-    # SHA384 needed for some ECDSA signature tests.
+    # All SHA-2 variants are needed for ECDSA signature tests,
+    # but only SHA-256 is enabled by default, so enable the others.
+    scripts/config.py -f tests/include/test/drivers/config_test_driver.h set MBEDTLS_SHA224_C
     scripts/config.py -f tests/include/test/drivers/config_test_driver.h set MBEDTLS_SHA384_C
     scripts/config.py -f tests/include/test/drivers/config_test_driver.h set MBEDTLS_SHA512_C