Changed certificate error message wording to be less fatal

Author: Mika Leppänen

source/Security/protocols/tls_sec_prot/tls_sec_prot_lib.c

@@ -550,7 +550,7 @@ static int tls_sec_prot_lib_x509_crt_idevid_ldevid_verify(tls_security_t *sec, m
     // For both IDevID and LDevId both subject alternative name or extended key usage must be valid
     if (tls_sec_prot_lib_subject_alternative_name_validate(crt) < 0 ||
             tls_sec_prot_lib_extended_key_usage_validate(crt) < 0) {
-        tr_error("invalid cert");
+        tr_info("no wisun fields on cert");
         if (sec->ext_cert_valid) {
             *flags |= MBEDTLS_X509_BADCERT_OTHER;
             return MBEDTLS_ERR_X509_CERT_VERIFY_FAILED;
@@ -570,7 +570,7 @@ static int tls_sec_prot_lib_x509_crt_server_verify(tls_security_t *sec, mbedtls_
     if (sane_res >= 0 || ext_key_res >= 0) {
         // Then both subject alternative name and extended key usage must be valid
         if (sane_res < 0 || ext_key_res < 0) {
-            tr_error("invalid cert");
+            tr_info("no wisun fields on cert");
             if (sec->ext_cert_valid) {
                 *flags |= MBEDTLS_X509_BADCERT_OTHER;
                 return MBEDTLS_ERR_X509_CERT_VERIFY_FAILED;