[llvm] [RISCV] Use LD_RV32/SD_RV32 for spills and reloads when Zilsd is enabled (PR #153595)

[Sudharsan Veeravalli via llvm-commits]

svs-quic wrote:

I'll see if I can come up with a test case where we generate a PseudoRV32ZdinxSD/LD when we don't have Zdinx enabled (but Zilsd is).

https://github.com/llvm/llvm-project/pull/153595