bus: integrator-lm: fix OF node leak in probe()

Driver code is leaking OF node reference from of_find_matching_node() in
probe().

Fixes: ccea5e8a ("bus: Add driver for Integrator/AP logic modules")
Cc: stable@vger.kernel.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Link: https://lore.kernel.org/20240826054934.10724-2-krzysztof.kozlowski@linaro.org


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