CHANGES:
- Add new module Mirage_crypto_ec.Dsa.Primitive exposing the generator, point
add, scalar multiplication for NIST curves. This is useful for implementing
some protocols (such as spake2) (#278 #277 @samoht @hannesm) - Cleanup gen_tables (#273 #275 @reynir)
- Use 'architecture' 'riscv' to not execute the entropy test on riscv64 (#272
#273 #274 @reynir @hannesm)