Enable HMAC in config_psa.h regardless of MD availability

Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
diff --git a/include/mbedtls/config_psa.h b/include/mbedtls/config_psa.h
index fbfcdc3..b84a80a 100644
--- a/include/mbedtls/config_psa.h
+++ b/include/mbedtls/config_psa.h
@@ -620,10 +620,11 @@
 #define PSA_WANT_ALG_HKDF_EXPAND 1
 #endif /* MBEDTLS_HKDF_C */
 
-#if defined(MBEDTLS_MD_C)
 #define MBEDTLS_PSA_BUILTIN_ALG_HMAC 1
 #define PSA_WANT_ALG_HMAC 1
 #define PSA_WANT_KEY_TYPE_HMAC
+
+#if defined(MBEDTLS_MD_C)
 #define MBEDTLS_PSA_BUILTIN_ALG_TLS12_PRF 1
 #define PSA_WANT_ALG_TLS12_PRF 1
 #define MBEDTLS_PSA_BUILTIN_ALG_TLS12_PSK_TO_MS 1