[llvm] [RISCV][NFC] Pass MCSubtargetInfo instead of FeatureBitset in RISCVMatInt (PR #71770)

[Craig Topper via llvm-commits]

topperc wrote:

How does hasFeatures reduce indirection? We have another layer of data structure isn't that more indirection?

https://github.com/llvm/llvm-project/pull/71770