Merge patch series "Documentation: RISC-V: patch-acceptance changes"

Palmer Dabbelt <palmer@rivosinc.com> says:

We've had a patch acceptance policy that doesn't match reality, this
changes the policy and also makes some more minor cleanups as well.

* b4-shazam-merge:
  Documentation: RISC-V: patch-acceptance: s/implementor/implementer
  Documentation: RISC-V: Mention the UEFI Standards
  Documentation: RISC-V: Allow patches for non-standard behavior
  Documentation: RISC-V: Fix a typo in patch-acceptance

Link: https://lore.kernel.org/r/20221207020815.16214-1-palmer@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>