phy: lynx-28g: avoid memsetting lane already allocated with kzalloc()

phy: lynx-28g: avoid memsetting lane already allocated with kzalloc()

"priv" is allocated by lynx_28g_probe() using devm_kzalloc(), and the
lane is memory inside that structure (&priv->lane[id]). We don't have to
zero-initialize it, it is already filled with zeroes.

Suggested-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/linux-phy/aRYMM3ZuyBYH8zEC@vaman/
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20251125114847.804961-5-vladimir.oltean@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>