app: aboot: Add support for tests framework

Add support to execute LK test framework through fastboot command.

Change-Id: I6fc816567ec27c76807df5740f96a9670fc48ece
diff --git a/app/tests/rules.mk b/app/tests/rules.mk
index f8151ac..ec79a7f 100644
--- a/app/tests/rules.mk
+++ b/app/tests/rules.mk
@@ -5,7 +5,9 @@
 OBJS += \
 	$(LOCAL_DIR)/tests.o \
 	$(LOCAL_DIR)/thread_tests.o \
-	$(LOCAL_DIR)/printf_tests.o \
-	$(LOCAL_DIR)/i2c_tests.o \
-	$(LOCAL_DIR)/adc_tests.o \
+	$(LOCAL_DIR)/printf_tests.o
+
+ifeq ($(VERIFIED_BOOT),1)
+OBJS += \
 	$(LOCAL_DIR)/kauth_test.o
+endif