net: phy: micrel: parse of nodes at probe

Parse the "micrel,led-mode" property at probe, rather than at config_init
time in the led-setup helper itself.

Note that the bogus parent->of_node bit is removed.

Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>