https://reviews.llvm.org/D133729 broke the buildbots because some
don't build with both x86 and aarch64 targets. Adding REQUIRES
to make sure this test only runs when specifying for both arch.
llvm-lipo crashes when trying to use inputs that contain bitcode asm instructions.
This happens when trying to create universal binaries for LLVM with LTO.
https://reviews.llvm.org/D118575 is a similar change that ran into this same issue, and I'm
mirroring the same change by registering the targets to fix this issue.
Reviewed By: alexander-shaposhnikov, keith
Differential Revision: https://reviews.llvm.org/D133729