Replace hash_info_get_type with MD function

Mostly a search and replace with just two manual changes:

1. Now PK and TLS need MD light, so auto-enable it.
2. Remove the old function in hash_info.[ch]

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
diff --git a/tests/src/test_helpers/ssl_helpers.c b/tests/src/test_helpers/ssl_helpers.c
index fbf9ea5..efa7efe 100644
--- a/tests/src/test_helpers/ssl_helpers.c
+++ b/tests/src/test_helpers/ssl_helpers.c
@@ -1200,7 +1200,7 @@
         mbedtls_md_info_t const *md_info = mbedtls_md_info_from_type(hash_id);
         CHK(md_info != NULL);
 #endif
-        maclen = mbedtls_hash_info_get_size(hash_id);
+        maclen = mbedtls_md_get_size_from_type(hash_id);
         CHK(maclen != 0);
         /* Pick hash keys */
         CHK((md0 = mbedtls_calloc(1, maclen)) != NULL);
diff --git a/tests/suites/test_suite_pk.function b/tests/suites/test_suite_pk.function
index 65b0c03..65aa593 100644
--- a/tests/suites/test_suite_pk.function
+++ b/tests/suites/test_suite_pk.function
@@ -1448,7 +1448,7 @@
     size_t sig_len;
     unsigned char sig[MBEDTLS_PK_SIGNATURE_MAX_SIZE];
     unsigned char hash[PSA_HASH_MAX_SIZE];
-    size_t hash_len = mbedtls_hash_info_get_size(md_alg);
+    size_t hash_len = mbedtls_md_get_size_from_type(md_alg);
     void const *options = NULL;
     mbedtls_pk_rsassa_pss_options rsassa_pss_options;
     memset(hash, 0x2a, sizeof(hash));
diff --git a/tests/suites/test_suite_x509write.function b/tests/suites/test_suite_x509write.function
index d93c171..22525d2 100644
--- a/tests/suites/test_suite_x509write.function
+++ b/tests/suites/test_suite_x509write.function
@@ -59,7 +59,7 @@
     }
 
     if (mbedtls_pk_verify_ext(csr.sig_pk, csr.sig_opts, &csr.pk,
-                              csr.sig_md, hash, mbedtls_hash_info_get_size(csr.sig_md),
+                              csr.sig_md, hash, mbedtls_md_get_size_from_type(csr.sig_md),
                               csr.sig.p, csr.sig.len) != 0) {
         ret = MBEDTLS_ERR_X509_CERT_VERIFY_FAILED;
         goto cleanup;