[llvm] [RISCV][ISEL] Lowering to load-acquire/store-release for RISCV Zalasr (PR #82914)

[Wang Pengcheng via llvm-commits]

https://github.com/wangpc-pp commented:

These formatting changes don't belong to this PR, please remove them as they cause a lot of noises.

https://github.com/llvm/llvm-project/pull/82914