target/riscv/insn_trans/trans_rvbf16.c.inc: use cpu->cfg.vlenb

target/riscv/insn_trans/trans_rvbf16.c.inc: use cpu->cfg.vlenb

Use ctx->cfg_ptr->vlenb instead of ctx->cfg_ptr->vlen / 8.

Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240122161107.26737-5-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>