platform/x86/intel: int33fe: 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>
Link: https://lore.kernel.org/r/20210806154941.4491-1-andriy.shevchenko@linux.intel.comSigned-off-by: Hans de Goede <hdegoede@redhat.com>

drivers/platform/x86/intel/int33fe/Makefile

 # SPDX-License-Identifier: GPL-2.0-only
 obj-$(CONFIG_INTEL_CHT_INT33FE)		+= intel_cht_int33fe.o
-intel_cht_int33fe-objs			:= intel_cht_int33fe_common.o \
+intel_cht_int33fe-y			:= intel_cht_int33fe_common.o \
 					   intel_cht_int33fe_typec.o \
 					   intel_cht_int33fe_microb.o