[llvm] [BOLT][merge-fdata]Fix support for fdata files starting with no_lbr on ARM platform (PR #112328)

[Paschalis Mpeis via llvm-commits]

https://github.com/paschalis-mpeis commented:

@zrxxzz , @aaupov: given that #118481 will be merged soon, would it be OK if I close this one?

https://github.com/llvm/llvm-project/pull/112328