Access EL2088 with byte

they are OK to access by byte

```
class EL2088b(EBPFTerminal):
    compatibility = {(2, 0x08283052)}
    class Channel(Struct):   
        byte = ProcessDesc(0x7000, 1,'B')
    buffer = Channel(0)
```

```
class EL2088b(EBPFTerminal):
    compatibility = {(2, 0x08283052)}
    byte = ProcessDesc(0x7000, 1,'B')
```