Add the 'tmon' packages. This is as a tool to help visualize,
tune, and test the complex thermal subsystem.
We get a compile warning for the tool that the printf format does not
fit. This commit contains a patch that fixes this warning. This patch
has also been sent upstream to the Linux kernel [1].
Links:
[1] https://lore.kernel.org/all/20231204141335.2798194-1-fe@dev.tdt.de/
Signed-off-by: Florian Eckert <fe@dev.tdt.de>
