[clang] [llvm] [RISCV] Add scheduling model for mips p8700 CPU (PR #119885)

[Michael Maitland via llvm-commits]

https://github.com/michaelmaitland commented:

Please split the processor definition and scheduler model into their own patches.

See:
https://github.com/llvm/llvm-project/commit/867ece181afe59aa020d365928169d2ebdc7d74a
https://github.com/llvm/llvm-project/commit/373d9d72145cd40c9dc00abefd14632763a2987b




https://github.com/llvm/llvm-project/pull/119885