ASoC: codecs: wcd939x: Simplify return from devm_gpiod_get() error

No need to store devm_gpiod_get() error code in temporary variable.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20250526-b4-asoc-wcd9395-vdd-px-v1-4-64d3cb60313b@linaro.org


Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@oss.qualcomm.com>
Signed-off-by: Mark Brown <broonie@kernel.org>