[bluez/bluez] 41c7f3: hcidump: Fix help message for --timestamp option

[Arkadiusz Bokowy <noreply@xxxxxxxxxx>]

  Branch: refs/heads/master
  Home:   https://github.com/bluez/bluez
  Commit: 41c7f3af0352d3e45f4f10b7584e955a7f5cc696
      https://github.com/bluez/bluez/commit/41c7f3af0352d3e45f4f10b7584e955a7f5cc696
  Author: Arkadiusz Bokowy <arkadiusz.bokowy@xxxxxxxxx>
  Date:   2024-02-12 (Mon, 12 Feb 2024)

  Changed paths:
    M tools/hcidump.c

  Log Message:
  -----------
  hcidump: Fix help message for --timestamp option