ssl_ciphersuite: Added getter methods for ciphersuite id.

Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
diff --git a/include/mbedtls/ssl_ciphersuites.h b/include/mbedtls/ssl_ciphersuites.h
index f755ef3..01865b6 100644
--- a/include/mbedtls/ssl_ciphersuites.h
+++ b/include/mbedtls/ssl_ciphersuites.h
@@ -468,6 +468,11 @@
     return info->MBEDTLS_PRIVATE(name);
 }
 
+static inline const int mbedtls_ssl_ciphersuite_get_id(const mbedtls_ssl_ciphersuite_t *info)
+{
+    return info->MBEDTLS_PRIVATE(id);
+}
+
 size_t mbedtls_ssl_ciphersuite_get_cipher_key_bitlen(const mbedtls_ssl_ciphersuite_t *info);
 
 #ifdef __cplusplus