Ensure there is no OF node references kept when the driver
is removed/unbound.
Reviewed-by: NCharles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: NSylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: NKrzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20190920130218.32690-3-s.nawrocki@samsung.comSigned-off-by: NMark Brown <broonie@kernel.org>