[llvm] [BOLT][AArch64] Fixes assertion errors occurred when perf2bolt was executed (PR #83394)

[Vladislav Khmelevsky via llvm-commits]

yota9 wrote:

Hi @kaadam ! The signal_set is just closest (from above) symbol in the binary, probably it has nothing to do with JT. Consider 0x219fb0 as a base address.

https://github.com/llvm/llvm-project/pull/83394