[llvm] [llvm-exegesis][X86] Groups ports 2, 3, and 11 for Golden Cove (PR #115645)

[Haohai Wen via llvm-commits]

HaohaiWen wrote:

Intel Architecture day also use port 2 3 10.
I believe I had same confusion and contacted Intel internal employee and they told me I should follow Optimization Manual and architecture day picture.
https://download.intel.com/newsroom/2021/client-computing/intel-architecture-day-2021-presentation.pdf

https://github.com/llvm/llvm-project/pull/115645