Unit test for structure TARGETING::AttributeTank::Attribute

This unit test, exercises the Attribute API, and the
make attribute templates

Change-Id: Iab9072f25c7920eb7f135c52e79198efdb755719
RTC:208343
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/78795
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>

Author: velozr

src/usr/targeting/test/makefile

@@ -5,7 +5,7 @@
 #
 # OpenPOWER HostBoot Project
 #
-# Contributors Listed Below - COPYRIGHT 2011,2015
+# Contributors Listed Below - COPYRIGHT 2011,2019
 # [+] International Business Machines Corp.
 #
 #
@@ -67,6 +67,8 @@ COMMON_TESTCASE_REL_PATHS = \
 TESTS += testtargeting.H
 TESTS += testattrsync.H
 TESTS += testattrtank.H
+TESTS += testAttribute.H
+TESTS += testTargetUtil.H
 TESTS += ${COMMON_TESTCASE_REL_PATHS}
 
 OBJS += attributestrings.o