bdAddr bytes are stored LSB-first (HCI wire order) throughout the stack,
but the bluetooth app and btbonds tool formatted them LSB-first too, so
every MAC displayed byte-reversed. Print addr[5] down to addr[0] instead.
Display-only change; wire-order parsing and syscalls untouched.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>