ASoC: SOF: ipc4-control: Validate notification payload size

ASoC: SOF: ipc4-control: Validate notification payload size

Validate MODULE_NOTIFICATION payload length before reading
bytes/channel data in control update handling.

Fixes: 2a28b5240f2b ("ASoC: SOF: ipc4-control: Add support for generic bytes control")
Cc: stable@vger.kernel.org
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://patch.msgid.link/20260609083458.31193-3-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>