[llvm] [llvm-exegesis] Add support for alder lake (PR #88967)

[Aiden Grossman via llvm-commits]

boomanaiden154 wrote:

>From what I understand, LLVM just reports the microarch as alder lake for both golden cove and gracemont. Not sure this will end up being a large issue as cycles measurements should be the same between both and uops measurements aren't possible on gracemont.

https://github.com/llvm/llvm-project/pull/88967