update flux scripts (#2351)

Signed-off-by: chensuyue <suyue.chen@intel.com>

Author: chensuyue

examples/pytorch/diffusion_model/diffusers/flux/run_quant.sh

@@ -36,12 +36,13 @@ function init_params {
 
 # run_tuning
 function run_tuning {
+    dataset_location=${dataset_location:="captions_source.tsv"}
     tuned_checkpoint=${tuned_checkpoint:="saved_results"}
 
     if [ "${topology}" = "flux_fp8" ]; then
-        extra_cmd="--scheme FP8 --iters 0 --dataset captions_source.tsv --quantize"
+        extra_cmd="--scheme FP8 --iters 0 --dataset ${dataset_location} --quantize"
     elif [ "${topology}" = "flux_mxfp8" ]; then
-        extra_cmd="--scheme MXFP8 --iters 1000 --dataset captions_source.tsv --quantize"
+        extra_cmd="--scheme MXFP8 --iters 1000 --dataset ${dataset_location} --quantize"
     fi
 
     python3 main.py \