[llvm] fix: asan support aarch64be (PR #70536)

[Rainer Orth via llvm-commits]

rorth wrote:

This patch broke both the [Solaris/sparcv9](https://lab.llvm.org/buildbot/#/builders/72/builds/43) and [Solaris/amd64](https://lab.llvm.org/staging/#/builders/8/builds/752) buildbots.  I guess it needs to either require `aarch64-registered-target` or pass `-data-layout=` like `freebsd.ll`.

https://github.com/llvm/llvm-project/pull/70536