sm8350-common: Include vendor/debugfs.config

This disables the following kernel configs:
* CONFIG_DEBUG_FS
* CONFIG_PAGE_OWNER

Change-Id: Idbf74e3dee4dccff4708462271e79374e28449ae

BoardConfigCommon.mk

@@ -84,7 +84,7 @@ BOARD_MKBOOTIMG_ARGS += --header_version $(BOARD_BOOT_HEADER_VERSION)
 TARGET_KERNEL_ADDITIONAL_FLAGS := TARGET_PRODUCT=$(PRODUCT_DEVICE)
 TARGET_KERNEL_NO_GCC := true
 TARGET_KERNEL_SOURCE := kernel/xiaomi/sm8350
-TARGET_KERNEL_CONFIG := vendor/lahaina-qgki_defconfig vendor/xiaomi_QGKI.config
+TARGET_KERNEL_CONFIG := vendor/lahaina-qgki_defconfig vendor/debugfs.config vendor/xiaomi_QGKI.config
 
 BOARD_KERNEL_CMDLINE += androidboot.console=ttyMSM0
 BOARD_KERNEL_CMDLINE += androidboot.hardware=qcom