Revert "net: phy: Avoid polling PHY with PHY_IGNORE_INTERRUPTS"

This reverts commit 0d1951fa which was
commit d5c3d846

 upstream.

Guillaume reports that this patch breaks booting on
at91-sama5d4_xplained, so revert it for now.

Reported-by: "kernelci.org bot" <bot@kernelci.org>
Reported-by: Guillaume Tucker <guillaume.tucker@collabora.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>