ASoC: qdsp6: q6adm: improve error reporting

reset value for port is -1 so printing an hex would not give us very
useful debug information, so use %d instead.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20211116114721.12517-5-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>