[llvm] [TableGen] Handle Windows line endings in x86-fold-tables.td test (PR #112997)

[Abhina Sree via llvm-commits]

abhina-sree wrote:

Hi, this is causing a failure on the aix bot https://lab.llvm.org/buildbot/#/builders/64/builds/1269 would you be able to take a look? The cause is because `diff` does not support `--strip-trailing-cr`  option. There was a similar case that was resolved here https://github.com/llvm/llvm-project/pull/108871. Thanks in advance!

https://github.com/llvm/llvm-project/pull/112997