Pausing work on MCUmgr

Since I will be getting JTAG stuff soon, I will be pausing trying to
debug why taskstat is not working. Also, since taskstat is not working,
it would be best to pause MCUboot stuff since it failing might be
impossible to deal with until I get JTAG

Signed-off-by: Ayush Singh <ayushsingh1325@gmail.com>