l1info: work with VIIRS GEO as input
Currently, l1info requires both the VIIRS L1B and GEO file, but all the information needed can be obtained from the GEO file alone. We need to add support for this
Currently, l1info requires both the VIIRS L1B and GEO file, but all the information needed can be obtained from the GEO file alone. We need to add support for this