[llvm] [RISCV] Change RISCVMCExpr::VK_RISCV_None to RISCVMCExpr::VK_None (PR #131774)

[Simon Pilgrim via llvm-commits]

RKSimon wrote:

> > If either of the windows or linux build has already passed, a fixup like this should be good to go.
> 
> I didn't know that. Thanks for the clarification.

Its not ideal, but either you get a minimal fix in or you should revert and start again when everything is green again. The CI checks on the original PR should have caught all of this though, which is strange.

https://github.com/llvm/llvm-project/pull/131774