Add int8_sq back to auto_quant support list (#345)

Signed-off-by: Chenjie Luo <[email protected]>

Author: cjluo-nv

examples/llm_ptq/hf_ptq.py

@@ -93,6 +93,7 @@ def auto_quantize(
         qformat
         in [
             "fp8",
+            "int8_sq",
             "int4_awq",
             "nvfp4",
             "nvfp4_awq",