Uses the `CP 4000` registry keys under
`HKLM\HARDWARE\DESCRIPTION\System\CentralProcessor\*` to get the
Implementer and Part, which is then provided to a modified form of
`getHostCPUNameForARM` to map to a CPU.
On my local Surface Pro 11 `llc --version` reports:
```
> .\build\bin\llc.exe --version
LLVM (http://llvm.org/):
LLVM version 22.0.0git
Optimized build with assertions.
Default target: aarch64-pc-windows-msvc
Host CPU: oryon-1
```
a418fa7cdc