auto-round

ec3c64a2 - docs: clarify Matryoshka group and FFN-only meaning in README

docs: clarify Matryoshka group and FFN-only meaning in README Agent-Logs-Url: https://github.com/intel/auto-round/sessions/f58ae131-7068-4ca9-8fc2-47fa05571744 Co-authored-by: luoyu-intel <108715795+luoyu-intel@users.noreply.github.com>