Make a board-base to be included by all boards
diff --git a/phhgsi_arm64_ab/BoardConfig.mk b/phhgsi_arm64_ab/BoardConfig.mk
index 96b7b98..612ff3e 100644
--- a/phhgsi_arm64_ab/BoardConfig.mk
+++ b/phhgsi_arm64_ab/BoardConfig.mk
@@ -1,5 +1,4 @@
 include build/make/target/board/generic_arm64_ab/BoardConfig.mk
+include device/phh/treble/board-base.mk
 
 BOARD_SYSTEMIMAGE_PARTITION_SIZE := 2147483648
-TARGET_SYSTEM_PROP := device/phh/treble/system.prop $(TARGET_SYSTEM_PROP)
-BOARD_BLUETOOTH_BDROID_BUILDCFG_INCLUDE_DIR := device/phh/treble/bluetooth