Add swiglu option back in

This reverts commit ae64317.

Author: andrej

applications/llama_3.2_1b/src/model_with_json.py

@@ -37,6 +37,7 @@ def dtype_from_string(inp):
     "use_aie_ffn_gemm":             (bool,              False,         "[FFN] GEMM"),
     "use_aie_ffn_mul":              (bool,              False,         "[FFN] Elementwise Mul"),
     "use_aie_ffn_silu":             (bool,              False,         "[FFN] SiLU"),
+    "use_aie_ffn_swiglu":           (bool,              False,         "[FFN] Runlist-based SwiGLU"),
     "use_aie_residual":             (bool,              False,         "[Transformer] Residual Addition"),
     "use_aie_norm1":                (bool,              False,         "[Transformer] Pre Norm"),
     "use_aie_norm2":                (bool,              False,         "[Transformer] Post Norm"),