Replace MBEDTLS_MD_CAN_MD5 with PSA_WANT_ALG_MD5

Signed-off-by: Elena Uziunaite <elena.uziunaite@arm.com>
diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index f0adbc9..97212e9 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -6132,7 +6132,7 @@
 mbedtls_md_type_t mbedtls_ssl_md_alg_from_hash(unsigned char hash)
 {
     switch (hash) {
-#if defined(MBEDTLS_MD_CAN_MD5)
+#if defined(PSA_WANT_ALG_MD5)
         case MBEDTLS_SSL_HASH_MD5:
             return MBEDTLS_MD_MD5;
 #endif
@@ -6167,7 +6167,7 @@
 unsigned char mbedtls_ssl_hash_from_md_alg(int md)
 {
     switch (md) {
-#if defined(MBEDTLS_MD_CAN_MD5)
+#if defined(PSA_WANT_ALG_MD5)
         case MBEDTLS_MD_MD5:
             return MBEDTLS_SSL_HASH_MD5;
 #endif