[PATCH 19.07] wolfssl: update to 4.8.1-stable

[Petr Štetiar]

Eneas U de Queiroz <cotequeiroz at gmail.com> [2021-09-14 15:07:28]:

Hi Eneas,

> Changes from 4.7.0:
>   Fix one high (OCSP verification issue) and two low vulnerabilities
>   Improve compatibility layer
>   Other improvements and fixes

I'm wondering if we can do such an upgrade as the binary compatibility report for
wolfSSL 4.7.0 vs 4.8.0 looks quite scary to me. Would it be possible to just
backport those patches which fixes those security related issues?

1. https://abi-laboratory.pro/index.php?view=compat_report&l=wolfssl&v1=4.7.0&v2=4.8.0&obj=948e4&kind=abi#Removed

-- ynezz