[MLIR][ROCDL] Add conversion for gpu.lane_id to ROCDL

Creates rocdl.lane_id op with llvm conversion to:

  __device__ static unsigned int __lane_id() {
      return  __builtin_amdgcn_mbcnt_hi(
                 -1, __builtin_amdgcn_mbcnt_lo(-1, 0));
  }

Reviewed By: krzysz00

Differential Revision: https://reviews.llvm.org/D154666