[RISCV] Allow crypto features to imply dependents (#112659)
This relationship is a logical dependency.
Note Zvbc and Zvknhb. They are explicitly called out in the spec as
requiring 64 bits:
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https://github.com/riscv/riscv-crypto/blob/56ed7952d13eb5bdff92e2b522404668952f416d/doc/vector/riscv-crypto-spec-vector.adoc