[llvm] [TableGen] Add InstrInfoEmitter options for operand type/size mappings (PR #125797)

[Sergei Barannikov via llvm-commits]

s-barannikov wrote:

Since there is no build time improvement, I'm not sure we need these options.
I'm fine with checking for X86 when generating size mappings.

https://github.com/llvm/llvm-project/pull/125797