Fix the typo bfloat16 -> zvfhmin/zvfh#401

tclin914 wants to merge 1 commit intoriscv-non-isa:split_out_zvfh_zvfhmin_part2riscv-non-isa/rvv-intrinsic-doc:split_out_zvfh_zvfhmin_part2from

tclin914:split_out_zvfh_zvfhmin_part2-fix-typotclin914/rvv-intrinsic-doc:split_out_zvfh_zvfhmin_part2-fix-typoCopy head branch name to clipboard