add cpu/gpu locking script for dragon device

Bug: 29871504
Change-Id: I45dbde7110c89aae33f9672a766ad73667f99649
diff --git a/BoardConfig.mk b/BoardConfig.mk
index e705aed..2190818 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -120,3 +120,6 @@
 endif
 
 BOARD_HAL_STATIC_LIBRARIES := libdumpstate.dragon libhealthd.dragon
+
+# Testing related defines
+BOARD_PERFSETUP_SCRIPT := platform_testing/scripts/perf-setup/dragon-setup.sh