[VPlan] Add commutative binary OR matcher, use in transform. (#92539)

Split off from https://github.com/llvm/llvm-project/pull/89386, this
extends the binary matcher to support matching commuative operations.
This is used for a new m_c_BinaryOr matcher, used in simplifyRecipe.

PR: https://github.com/llvm/llvm-project/pull/92539