drivers: hwinfo: add driver support for kinetis device ID

Add driver support for kinetis ID device.
The length depends on the SoC.
`SIM_GetUniqueId` was not used because the struct would reorder
the ID and makes the driver more complicated because the length
of the struct depends on the SoC.

Signed-off-by: Alexander Wachter <alexander.wachter@student.tugraz.at>