onnxruntime

70925494 - DML EP temporarily fall back to CPU for LayerNorm when Bias is not present (#12987)

DML EP temporarily fall back to CPU for LayerNorm when Bias is not present (#12987) * Temporarily fall back to CPU for LayerNorm * Build fix * Typo * TYPO Co-authored-by: Sumit Agarwal <sumitagarwal@microsoft.com>