/lib/udev/rules.d/92-mspdebug.rules is in mspdebug 0.22-2+b2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | # TI LaunchPad board (MSP430 external programmer)
ATTRS{idVendor}=="0451", ATTRS{idProduct}=="f432", MODE="0660", GROUP="plugdev"
|