Fix TARGET_TEST syntax in makefile
Fix TARGET_TEST syntax in makefile

$TARGET_TEST always evaulated true

Change-Id: I7152570887ad522506dccebac3a06bfedff0b336
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/23494
Tested-by: Jenkins Server
Tested-by: FSP CI Jenkins
Reviewed-by: Daniel M. Crowell <912029ca9254ac7b5854e56910561d682e1fa2d0@us.ibm.com>

Over-enthusiastic/hostboot,Over-enthusiastic/hostboot,Over-enthusiastic/hostboot,Over-enthusiastic/hostboot,Over-enthusiastic/hostboot