Kconfig options now belong to the Kconfig domain, therefore, the
:kconfig:option: role needs to be used.
Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
Currently the IPM samples are hosted in the IPC sample location. Clean
this situation up by moving the IPM samples to a new location.
Signed-off-by: Carlo Caione <ccaione@baylibre.com>