For getting the address of the RAM region in the application we need to
extend the api for the flash_simulator.
This path introduce flash_simulator_get_memory() call which allow to
do so.
Signed-off-by: Sigvart Hovland <sigvart.m@gmail.com>
Signed-off-by: Andrzej Puzdrowski <andrzej.puzdrowski@nordicsemi.no>
