bullhead: Add keymaster and gatekeeper HAL

Change-Id: I954a52691b3c15680447c13660c5628ee93706f7
diff --git a/device.mk b/device.mk
index d7032af..872c5fd 100644
--- a/device.mk
+++ b/device.mk
@@ -201,6 +201,10 @@
     activity_recognition.bullhead \
     sensortool.bullhead
 
+PRODUCT_PACKAGES += \
+    keystore.msm8992 \
+    gatekeeper.msm8992
+
 DEVICE_PACKAGE_OVERLAYS := \
     device/lge/bullhead/overlay