soc: versatile: integrator: fix OF node leak in probe() error path

Driver is leaking OF node reference obtained from
of_find_matching_node().

Fixes: f956a785 ("soc: move SoC driver for the ARM Integrator")
Cc: stable@vger.kernel.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/20240825-soc-dev-fixes-v1-1-ff4b35abed83@linaro.org


Signed-off-by: Linus Walleij <linus.walleij@linaro.org>