* Linux 6.18 compat: Drop `hmac_sha256` symbol
It looks like it is a backwards compatibility code piece, I could find any
occurence of it outside of the core/crypto/sha256.{c,h} and it looks like
driver uses `hmac_sha256_vector` directly anyway that this function was a
(legacy?) wrapper for.
Signed-off-by: SpacingBat3 <spacingbat3@gmail.com>
* chore: update README.md
Signed-off-by: SpacingBat3 <spacingbat3@gmail.com>
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Signed-off-by: SpacingBat3 <spacingbat3@gmail.com>