[llvm] [LV][RISCV] Fix incorrect pointer operand in interleaved access tests. nfc (PR #192464)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `lld-sphinx-docs` running on `gribozavr3` while building `llvm` at step 2 "checkout".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/106/builds/33694

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 2 (checkout) failure: update (failure)
git version 2.30.2
fatal: unable to access 'https://github.com/llvm/llvm-project.git/': Failed to connect to github.com port 443: No route to host
fatal: unable to access 'https://github.com/llvm/llvm-project.git/': Failed to connect to github.com port 443: No route to host

```

</details>

https://github.com/llvm/llvm-project/pull/192464