Allow targets to build dtbhtool

Change-Id: Id31337de6acff43798a05acacaa0672c5737911f
diff --git a/Android.mk b/Android.mk
index 593feb4..fe61b67 100644
--- a/Android.mk
+++ b/Android.mk
@@ -38,6 +38,7 @@
 ifeq ($(BOARD_VENDOR),samsung)
 include $(SAM_ROOT)/AdvancedDisplay/Android.mk
 include $(SAM_ROOT)/consumerir/Android.mk
+include $(SAM_ROOT)/dtbhtool/Android.mk
 include $(SAM_ROOT)/liblights/Android.mk
 include $(SAM_ROOT)/modemloader/Android.mk
 include $(SAM_ROOT)/power/Android.mk