ASoC: SOF: Intel: add namespace for XTENSA

Now that Xtensa stuff is only referenced in Intel stuff, define
namespace and import it in Intel BYT/BDW/HDaudio modules
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191217202231.18259-9-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/intel/bdw.c

@@ -645,3 +645,4 @@ 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);
+MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);

sound/soc/sof/intel/byt.c

@@ -884,3 +884,4 @@ EXPORT_SYMBOL_NS(cht_chip_info, SND_SOC_SOF_BAYTRAIL);
 
 MODULE_LICENSE("Dual BSD/GPL");
 MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_HIFI_EP_IPC);
+MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);

sound/soc/sof/intel/hda.c

@@ -797,3 +797,4 @@ void hda_machine_select(struct snd_sof_dev *sdev)
 MODULE_LICENSE("Dual BSD/GPL");
 MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC);
 MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC_I915);
+MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);

sound/soc/sof/xtensa/core.c

@@ -132,7 +132,7 @@ const struct sof_arch_ops sof_xtensa_arch_ops = {
 	.dsp_oops = xtensa_dsp_oops,
 	.dsp_stack = xtensa_stack,
 };
-EXPORT_SYMBOL(sof_xtensa_arch_ops);
+EXPORT_SYMBOL_NS(sof_xtensa_arch_ops, SND_SOC_SOF_XTENSA);
 
 MODULE_DESCRIPTION("SOF Xtensa DSP support");
 MODULE_LICENSE("Dual BSD/GPL");