add build with cobalt option in jenkinsfile
add build with cobalt option in jenkinsfile

tingxingdong/rocBLAS-1,guacamoleo/rocBLAS,kknox/rocBLAS,tingxingdong/rocBLAS-1,guacamoleo/rocBLAS,kknox/rocBLAS,guacamoleo/rocBLAS,kknox/rocBLAS,kknox/rocBLAS,tingxingdong/rocBLAS-1,guacamoleo/rocBLAS,tingxingdong/rocBLAS-1