The driver is intentionally not integrated into the 'nRF5' driver in
order to serve as a kind of 'test vehicle' for non-flash memory drivers.
The driver does not support the UICR but only the main memory region.
Change-Id: Ia69527c4e07d40e8805186be8e988c0d74c12041
Signed-off-by: Marc Schink <dev@zapb.de>