supporess cs248 being asked. #291

Job	Run time
ucvm-build-cvmh-taper (3.7)	1h 2m 33s
ucvm-build-cvms-cvmh (3.7)	31m 45s
ucvm-build-albacore-cvlsu-ivlsu-wfcvm (3.7)	28m 35s
	2h 2m 53s

Provide feedback