Fix build for hikey am: 4ead46e5d5 am: c50bed13fd am: 6022e6f6f6
am: 47b55f09c6

Change-Id: I52792c6c650c006fa2d211a2fcb623c633aa6f59
diff --git a/BoardConfigCommon.mk b/BoardConfigCommon.mk
index 58ba88a..18e203d 100644
--- a/BoardConfigCommon.mk
+++ b/BoardConfigCommon.mk
@@ -20,7 +20,7 @@
 ANDROID_ENABLE_RENDERSCRIPT := true
 
 # BT configs
-BOARD_BLUETOOTH_BDROID_BUILDCFG_INCLUDE_DIR := "device/linaro/hikey/bluetooth"
+BOARD_BLUETOOTH_BDROID_BUILDCFG_INCLUDE_DIR := device/linaro/hikey/bluetooth
 BOARD_HAVE_BLUETOOTH := true
 
 # generic wifi