soundwire: intel: split auxdevice to different file

The auxdevice layer is completely generic, it should be split from
intel.c which is only geared to the 'cnl' hw_ops now.

Signed-off-by: Pierre-Louis Bossart <[email protected]>
Reviewed-by: Rander Wang <[email protected]>
Signed-off-by: Bard Liao <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>

Author: plbossart

drivers/soundwire/Makefile

@@ -20,7 +20,7 @@ soundwire-cadence-y := cadence_master.o
 obj-$(CONFIG_SOUNDWIRE_CADENCE) += soundwire-cadence.o
 
 #Intel driver
-soundwire-intel-y :=	intel.o intel_init.o dmi-quirks.o
+soundwire-intel-y :=	intel.o intel_auxdevice.o intel_init.o dmi-quirks.o
 obj-$(CONFIG_SOUNDWIRE_INTEL) += soundwire-intel.o
 
 #Qualcomm driver