soundwire: Replace 'objs' by 'y'

`-objs` is designed for building host programs, change to `-y`,
more straightforward for device drivers.

See Documentation/kbuild/makefiles.rst
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20200616162140.2563535-1-vkoul@kernel.orgSigned-off-by: Vinod Koul <vkoul@kernel.org>

drivers/soundwire/Makefile

@@ -4,22 +4,22 @@
 #
 
 #Bus Objs
-soundwire-bus-objs := bus_type.o bus.o master.o slave.o mipi_disco.o stream.o  \
+soundwire-bus-y := bus_type.o bus.o master.o slave.o mipi_disco.o stream.o  \
 			sysfs_slave.o sysfs_slave_dpn.o
 obj-$(CONFIG_SOUNDWIRE) += soundwire-bus.o
 
 ifdef CONFIG_DEBUG_FS
-soundwire-bus-objs += debugfs.o
+soundwire-bus-y += debugfs.o
 endif
 
 #Cadence Objs
-soundwire-cadence-objs := cadence_master.o
+soundwire-cadence-y := cadence_master.o
 obj-$(CONFIG_SOUNDWIRE_CADENCE) += soundwire-cadence.o
 
 #Intel driver
-soundwire-intel-objs :=	intel.o intel_init.o
+soundwire-intel-y :=	intel.o intel_init.o
 obj-$(CONFIG_SOUNDWIRE_INTEL) += soundwire-intel.o
 
 #Qualcomm driver
-soundwire-qcom-objs :=	qcom.o
+soundwire-qcom-y :=	qcom.o
 obj-$(CONFIG_SOUNDWIRE_QCOM) += soundwire-qcom.o