The build infrastructure should not be adding the drivers subdirectory
to the include path. Fix the legacy uses that depended on that
addition.
Signed-off-by: Peter Bigot <peter.bigot@nordicsemi.no>
Cleanup around COND_CODE_1 usage and replacing with
IF_ENABLED if applicable.
Signed-off-by: Krzysztof Chruscinski <krzysztof.chruscinski@nordicsemi.no>
event_index must be lower than NRFX_IPC_ID_MAX_VALUE.
As of now, maximum index is 16.
Fixes#20962, #20964, #20967
Signed-off-by: Marcin Szymczyk <marcin.szymczyk@nordicsemi.no>
