[llvm] [AArch64] Move interleaved access testcase to codegen (PR #214133)

[Kamlesh Kumar via llvm-commits]

kamleshbhalui wrote:

> It looks like some of the tests are failing? Are they fixed in other patches?

yes scalarization and usesveforfixedvector required, those pr merged now, will rebase and update this

https://github.com/llvm/llvm-project/pull/214133