Macro was missing a break when single argument with non 32 bit
word argument was detect. Because of that, there were two
logging messages created for a single log entry.
Signed-off-by: Krzysztof Chruściński <krzysztof.chruscinski@nordicsemi.no>
Logging with STMESP frontend is using custom logging header feature.
Put that specific header file in a custom path which is added to the
build only if that logging frontend is used.
Signed-off-by: Krzysztof Chruściński <krzysztof.chruscinski@nordicsemi.no>