commit 24727b45 upstream.

Driver forgot to unregister power supply if request_threaded_irq()
failed in probe(). In such case the memory associated with power supply
leaked.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Fixes: a830d28b ("power_supply: Enable battery-charger for 88pm860x")
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>