wolfssl: bump to 4.1.0-stable

Always build AES-GCM support.
Unnecessary patches were removed.

This includes two vulnerability fixes:

CVE-2019-11873: a potential buffer overflow case with the TLSv1.3 PSK
extension parsing.

CVE-2019-13628 (currently assigned-only): potential leak of nonce sizes
when performing ECDSA signing operations. The leak is considered to be
difficult to exploit but it could potentially be used maliciously to
perform a lattice based timing attack.

Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>

package/libs/wolfssl/patches/100-disable-hardening-check.patch

@@ -1,6 +1,6 @@
 --- a/wolfssl/wolfcrypt/settings.h
 +++ b/wolfssl/wolfcrypt/settings.h
-@@ -1880,7 +1880,7 @@ extern void uITRON4_free(void *p) ;
+@@ -1930,7 +1930,7 @@ extern void uITRON4_free(void *p) ;
  #endif
  
  /* warning for not using harden build options (default with ./configure) */