platform/x86/intel: int3472: Use y instead of objs in Makefile

The 'objs' is for user space tools, for the kernel modules
we should use 'y'.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Daniel Scally <djrscally@gmail.com>
Link: https://lore.kernel.org/r/20210806154951.4564-1-andriy.shevchenko@linux.intel.comSigned-off-by: Hans de Goede <hdegoede@redhat.com>

drivers/platform/x86/intel/int3472/Makefile

 obj-$(CONFIG_INTEL_SKL_INT3472)		+= intel_skl_int3472.o
-intel_skl_int3472-objs			:= intel_skl_int3472_common.o \
+intel_skl_int3472-y			:= intel_skl_int3472_common.o \
 					   intel_skl_int3472_discrete.o \
 					   intel_skl_int3472_tps68470.o \
 					   intel_skl_int3472_clk_and_regulator.o