net: bna: Remove unnecessary (void*) conversions

No need cast (void*) to (struct bnad_tx_info *) or
(struct bnad_rx_info *).

Signed-off-by: Wu Yunchuan <yunchuan@nfschina.com>
Link: https://lore.kernel.org/r/20230717031229.55169-1-yunchuan@nfschina.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>