phy: cadence-torrent: Update PHY reset for multilink configuration

For multilink configuration, deassert PHY and link reset after PHY
registers are configured in probe and only check link status in
power_on callback.

Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
Link: https://lore.kernel.org/r/1600327846-9733-7-git-send-email-sjakhade@cadence.com


Signed-off-by: Vinod Koul <vkoul@kernel.org>