isr_admin: Use blobtool rather than tar in makeparcel()
isr_admin: Use blobtool rather than tar in makeparcel()

- Use blobtool to create the cfg tarball in makeparcel()

cmusatyalab/openisr,cmusatyalab/openisr,cmusatyalab/openisr,cmusatyalab/openisr,cmusatyalab/openisr