ASoC: soc-acpi: allow for partial match in parent name

To change the module dependencies and simplify Kconfigs, we need to
introduce new driver names (sof-audio-acpi-intel-byt and
sof-audio-acpi-intel-bdw), and move from an exact string match to a
partial one.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: Bard Liao <bard.liao@intel.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20210302003125.1178419-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>

include/sound/soc-acpi.h

@@ -174,7 +174,7 @@ struct snd_soc_acpi_codecs {
 static inline bool snd_soc_acpi_sof_parent(struct device *dev)
 {
 	return dev->parent && dev->parent->driver && dev->parent->driver->name &&
-		!strcmp(dev->parent->driver->name, "sof-audio-acpi");
+		!strncmp(dev->parent->driver->name, "sof-audio-acpi", strlen("sof-audio-acpi"));
 }
 
 #endif