libcacard: change default ATR

#define MAX_CHANNEL 4

/* create an ATR with appropriate historical bytes */

#define VCARD_ATR_PREFIX(size) 0x3b, 0x66+(size), 0x00, 0xff, \

                               'V', 'C', 'A', 'R', 'D', '_'

#define TS_DIRECT_CONVENTION 0x3b

#define TA_PRESENT 0x10

#define TB_PRESENT 0x20

#define TC_PRESENT 0x40

#define TD_PRESENT 0x80

#define VCARD_ATR_PREFIX(size) \

    TS_DIRECT_CONVENTION, \

    TD_PRESENT + (6 + size), \

    0x00, \

    'V', 'C', 'A', 'R', 'D', '_'

typedef enum {

    VCARD_DONE,