bootctrl: Add filter for msm8996 builds

Change-Id: I69aa8ac6612f71cc6a5575c739726644eedac3e5
diff --git a/Android.mk b/Android.mk
index cae83a0..7e07955 100644
--- a/Android.mk
+++ b/Android.mk
@@ -1,3 +1,4 @@
+ifneq ($(filter msm8996,$(TARGET_BOARD_PLATFORM)),)
 LOCAL_PATH := $(call my-dir)
 include $(CLEAR_VARS)
 LOCAL_C_INCLUDES += hardware/libhardware/include
@@ -8,3 +9,4 @@
 LOCAL_MODULE_RELATIVE_PATH := hw
 LOCAL_MODULE := bootctrl.$(TARGET_BOARD_PLATFORM)
 include $(BUILD_SHARED_LIBRARY)
+endif