openssl: Upgrade 3.0.7 -> 3.0.8

openssl: Upgrade 3.0.7 -> 3.0.8

OpenSSL 3.0.8 fixes 1 HIGH level security vulnerability and 7 MODERATE level security vulnerability [1].

Upgrade the recipe to point to 3.0.8.

CVE-2022-3996 is reported fixed in 3.0.8, so drop the patch for that as
well.

[1] https://www.openssl.org/news/vulnerabilities.html

CVEs Fixed:
https://www.openssl.org/news/secadv/20230207.txt

Signed-off-by: Siddharth Doshi <sdoshi@mvista.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 8461466f63200a0b1c9c247b70fdf5819651544c)
Signed-off-by: Steve Sakoman <steve@sakoman.com>