mfd: tqmx86: Add board definitions for TQMxCU1-HPCM and TQMxCU2-HPCM

This adds support for 2 new TQMx86 COMs:

- TQMxCU1-HPCM (COM-HPC Mini Module with Intel Core Ultra Processors [1])
- TQMxCU2-HPCM (in development)

[1] https://www.tq-group.com/en/products/tq-embedded/x86-architecture/tqmxcu1-hpcm/

Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Link: https://patch.msgid.link/20251007095424.138878-1-matthias.schiffer@ew.tq-group.com
Signed-off-by: Lee Jones <lee@kernel.org>