Fix some old names that remained

- most in doxygen doc that was never renamed
- some re-introduced in comments/doc/strings by me

include/mbedtls/ecp.h

@@ -516,7 +516,7 @@ int mbedtls_ecp_mul( mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
  *                  R = m * P + n * Q
  *                  (Not thread-safe to use same group in multiple threads)
  *
- * \note            In contrast to ecp_mul(), this function does not guarantee
+ * \note            In contrast to mbedtls_ecp_mul(), this function does not guarantee
  *                  a constant execution flow and timing.
  *
  * \param grp       ECP group

include/mbedtls/ssl.h

@@ -1154,7 +1154,7 @@ void mbedtls_ssl_init( mbedtls_ssl_context *ssl );
  * \brief          Set up an SSL context for use
  *
  * \note           No copy of the configuration context is made, it can be
- *                 shared by many ssl_context structures.
+ *                 shared by many mbedtls_ssl_context structures.
  *
  * \warning        Modifying the conf structure after is has been used in this
  *                 function is unsupported!