zenfone8: Add f2fs userdataimage file system type

Change-Id: Ib6051d8a30f1a0109578996b6f4eb1270052b17c
diff --git a/BoardConfig.mk b/BoardConfig.mk
index 26942c0..2c92f35 100755
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -140,6 +140,7 @@
 BOARD_SYSTEMIMAGE_FILE_SYSTEM_TYPE := ext4
 BOARD_SYSTEM_EXTIMAGE_FILE_SYSTEM_TYPE := ext4
 BOARD_ODMIMAGE_FILE_SYSTEM_TYPE := ext4
+BOARD_USERDATAIMAGE_FILE_SYSTEM_TYPE := f2fs
 BOARD_BOOTIMAGE_PARTITION_SIZE := 100663296
 BOARD_KERNEL_BINARIES := kernel kernel-gki
 BOARD_KERNEL-GKI_BOOTIMAGE_PARTITION_SIZE := $(BOARD_BOOTIMAGE_PARTITION_SIZE)