ice: remove unnecessary (void*) conversions

No need cast (void*) to (struct ice_ring_container *).

Signed-off-by: Wu Yunchuan <yunchuan@nfschina.com>
Link: https://lore.kernel.org/r/20230717031154.54740-1-yunchuan@nfschina.com


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