of: add vendor prefix for CIAA project

CIAA stands for Argentine Open Industrial Computer. The CIAA project
is an initiative sponsored by universities and private companies.
Its main goal is to promote local embedded systems development.

Among other devices, the project developed a NXP LPC4337-based
reference design.

Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Joachim Eastwood <manabian@gmail.com>