Update convbqfs.pl

now script accept standard style of arguments option
--input <file name>; this is a required argument, specify input bqfs/dffs file
--output <file name>; specify output file name, if not specified, the output file name is same as input file name but with .h extension appended
--line; specify if output line number in data structure
--name <array name>; specify array name of output structure. if not specifed, the default name is bqfs_image