update ttySx remapping

https://git.debu.gs/gitweb/?p=bmcd;a=commitdiff;h=08d509328e794178838939dd6b77017749b1db21
code, git.debu.gs | 2024-02-15 19:47:27 +0000 GMT | No.1457 
update ttySx remapping

We are planning to remap the tty's devices to match them numerically
with the actual nodes. This commit prepares for this change
  • [DH] src/serial_service/serial.rs