system/cu/cu_main.c: Fix wrongly swapped parity options.
@@ -304,11 +304,11 @@ int main(int argc, FAR char *argv[])
break;
case 'e':
- parity = PARITY_ODD;
+ parity = PARITY_EVEN;
break;
case 'o':
- parity = PARITY_EVEN;
+ parity = PARITY_ODD;
break;
case 'r':
