ASoC: SOF: ipc4-loader: Drop unused bss_size from struct sof_ipc4_fw_module

ASoC: SOF: ipc4-loader: Drop unused bss_size from struct sof_ipc4_fw_module

The bss_size is only set, but not used by the code, remove it.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20230522101313.12519-2-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>