Bug Fix 5880 (#6378)
Allowing hf args to be passed through class to AutoConfig.pretrained.
Co-authored-by: Ubuntu <deepspeed@H100-VM2.shlnn55tgwve1eacvp21ie45dg.jx.internal.cloudapp.net>
Co-authored-by: Logan Adams <114770087+loadams@users.noreply.github.com>
