mbedtls: activate deprecated functions

Some functions used by a lot of other software was renamed and is only
active when deprecated functions are allowed, deactivate the removal of
deprecated functions for now.

Fixes: 75c5ab4caf ("mbedtls: update to version 2.7.0")
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

package/libs/mbedtls/patches/200-config.patch

@@ -1,14 +1,5 @@
 --- a/include/mbedtls/config.h
 +++ b/include/mbedtls/config.h
-@@ -221,7 +221,7 @@
-  *
-  * Uncomment to get errors on using deprecated functions.
-  */
--//#define MBEDTLS_DEPRECATED_REMOVED
-+#define MBEDTLS_DEPRECATED_REMOVED
- 
- /* \} name SECTION: System support */
- 
 @@ -566,17 +566,17 @@
   *
   * Comment macros to disable the curve and functions for it