kfdtest: exclude negative testing from gfx908

GFX 9.0.8 may not properly support pipe reset capabilities so disable
test for now.

Change-Id: I3061cdad87eb979ba884c194f4229c0cbb144ee2

libhsakmt/tests/kfdtest/scripts/kfdtest.exclude

@@ -246,7 +246,8 @@ FILTER[renoir]=\
 # KFDExceptionTest.* (KFD-435)
 FILTER[arcturus]=\
 "$BLACKLIST_ALL_ASICS:"\
-"KFDExceptionTest.FaultStorm"\
+"KFDExceptionTest.FaultStorm:"\
+"KFDNegativeTest.*"
 
 FILTER[aldebaran]=\
 "$BLACKLIST_ALL_ASICS:"\