ASoC: ops: Log unknown controls in snd_soc_limit_volume()

ASoC: ops: Log unknown controls in snd_soc_limit_volume()

When we fail to look up the control name in snd_soc_limit_volume() we don't
log anything, the error code isn't particularly descriptive and checking
the return value of the function at all is a bit erratic among the callers.
Since there is no reason why anyone should ever be attempting to limit the
volume of a nonexistant control add a log message in the core to improve
usability.

Link: https://patch.msgid.link/20260422-asoc-limit-volume-error-v2-1-2e2ced321229@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>