config_psa: add missing BUILTIN symbols when ECP_C is defined

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
diff --git a/include/mbedtls/config_psa.h b/include/mbedtls/config_psa.h
index fb0e7c4..9a86b61 100644
--- a/include/mbedtls/config_psa.h
+++ b/include/mbedtls/config_psa.h
@@ -770,12 +770,16 @@
 #endif /* MBEDTLS_ECDSA_C */
 
 #if defined(MBEDTLS_ECP_C)
-#define MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_KEY_PAIR_LEGACY 1
 #define PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_USE 1
 #define PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_IMPORT 1
 #define PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_EXPORT 1
 #define PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_DERIVE 1
 #define PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_GENERATE 1
+#define MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_KEY_PAIR_USE 1
+#define MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_KEY_PAIR_IMPORT 1
+#define MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_KEY_PAIR_EXPORT 1
+#define MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_KEY_PAIR_GENERATE 1
+#define MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_KEY_PAIR_DERIVE 1
 #define MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_PUBLIC_KEY 1
 #define PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY 1
 #endif /* MBEDTLS_ECP_C */