misc: genwqe: Fix incorrect cmd field being reported in error

misc: genwqe: Fix incorrect cmd field being reported in error

[ Upstream commit 6b26053819dccc664120e07c56f107fb6f72f3fa ]

There is a dev_err message that is reporting the value of
cmd->asiv_length when it should be reporting cmd->asv_length
instead. Fix this.

Fixes: eaf4722d4645 ("GenWQE Character device and DDCB queue")
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20250902113712.2624743-1-colin.i.king@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>