lk/openssl: Adding openssl to compile in lk build

This is used for verifying signed kernel.
Openssl library will be used for certificate parsing
and rsa decryption.

Change-Id: Icf0024afd8f4d8690d077b47f4b9e83cad1e4813
diff --git a/app/rules.mk b/app/rules.mk
index 74abd56..e564fe0 100644
--- a/app/rules.mk
+++ b/app/rules.mk
@@ -1,5 +1,8 @@
 LOCAL_DIR := $(GET_LOCAL_DIR)
 
+MODULES += \
+	lib/openssl
+
 OBJS += \
 	$(LOCAL_DIR)/app.o