Merge tag 'libcrypto-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

Merge tag 'libcrypto-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux

Pull more crypto library updates from Eric Biggers:
 "Crypto library fix and documentation update:

   - Fix an integer underflow in the mpi library

   - Improve the crypto library documentation"

* tag 'libcrypto-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux:
  lib/crypto: docs: Add rst documentation to Documentation/crypto/
  docs: kdoc: Expand 'at_least' when creating parameter list
  lib/crypto: mpi: Fix integer underflow in mpi_read_raw_from_sgl()