Bump batched MoE BLOCK_M from 16 to 64 on top of persistent kernel#19221

Gasoonjia wants to merge 1 commit intopersistent-on-hoistpytorch/executorch:persistent-on-hoistfrom

block-m-64-on-persistentpytorch/executorch:block-m-64-on-persistentCopy head branch name to clipboard