ASoC: SOF: Intel: add namespace for BROADWELL

Define namespace and include it in ACPI top-level module.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191217202231.18259-4-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/intel/bdw.c

@@ -633,13 +633,13 @@ const struct snd_sof_dsp_ops sof_bdw_ops = {
 			SNDRV_PCM_INFO_PAUSE |
 			SNDRV_PCM_INFO_BATCH,
 };
-EXPORT_SYMBOL(sof_bdw_ops);
+EXPORT_SYMBOL_NS(sof_bdw_ops, SND_SOC_SOF_BROADWELL);
 
 const struct sof_intel_dsp_desc bdw_chip_info = {
 	.cores_num = 1,
 	.cores_mask = 1,
 };
-EXPORT_SYMBOL(bdw_chip_info);
+EXPORT_SYMBOL_NS(bdw_chip_info, SND_SOC_SOF_BROADWELL);
 
 MODULE_LICENSE("Dual BSD/GPL");
 MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_HIFI_EP_IPC);

sound/soc/sof/sof-acpi-dev.c

@@ -241,3 +241,4 @@ module_platform_driver(snd_sof_acpi_driver);
 
 MODULE_LICENSE("Dual BSD/GPL");
 MODULE_IMPORT_NS(SND_SOC_SOF_BAYTRAIL);
+MODULE_IMPORT_NS(SND_SOC_SOF_BROADWELL);