gianfar: remove unnecessary zeroing coalesce settings

Core already zeroes out the struct ethtool_coalesce structure,
drivers don't have to set every field to 0 individually.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2020-03-03 18:26:12 -08:00 • committed by David S. Miller
commit 97ec3b21b2