[clang] [flang] [libclc] [llvm] [AMDGPU] Add a new target for gfx1153 (PR #113138)

[Jay Foad via cfe-commits]

https://github.com/jayfoad approved this pull request.

LGTM. The compiler currently treats it as identical to gfx1152, right?

https://github.com/llvm/llvm-project/pull/113138