net: phy: update obsolete comment about PHY_STARTING

Commit 899a3cbb ("net: phy: remove states PHY_STARTING and
PHY_PENDING") missed to update a comment in phy_probe. Remove
superfluous "Description:" prefix while we are here.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/20230314124856.44878-1-wsa+renesas@sang-engineering.com


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