platform: msm_shared: add API to show menu on screen in lk

This change add API to show menu on screen and add keys detection
to switch diffrent menu.

Change-Id: I2cd1416302a65e855a68f45d08ad9ec3f7532b2e
diff --git a/platform/msm_shared/rules.mk b/platform/msm_shared/rules.mk
index b20e32f..cd597c1 100644
--- a/platform/msm_shared/rules.mk
+++ b/platform/msm_shared/rules.mk
@@ -54,6 +54,12 @@
 	$(LOCAL_DIR)/boot_verifier.o
 endif
 
+ifeq ($(ENABLE_FBCON_DISPLAY_MSG),1)
+OBJS += \
+	$(LOCAL_DIR)/menu_keys_detect.o \
+	$(LOCAL_DIR)/display_menu.o
+endif
+
 ifeq ($(ENABLE_GLINK_SUPPORT),1)
 OBJS += \
 		$(LOCAL_DIR)/rpm-ipc.o \