buildroot

taskd: move to Miscellaneous menu

It's not really a networking tool (if everything that does something on
the network would be called a networking tool, we wouldn't have much
else).

Since we don't really have an appropriate menu for it, put it in
Miscellaneous.

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>