[llvm] [llvm] [Triple] Add QNX Neutrino RTOS to llvm::Triple (PR #97417)

[via llvm-commits]

tedwoodward wrote:

We're not proposing full toolchain support; we're interested in getting LLDB working with QNX. As @DavidSpickett suggested, LLDB needs the triple to be able to select a binary as QNX.

https://github.com/llvm/llvm-project/pull/97417