Add MCUX IPM sample application. It can be run on lpcxpresso54114
board at the moment.
We first build the slave core image out of the remote/ dir than the
primary core image is build which includes the slave core image.
Origin: Original
Signed-off-by: Stanislav Poboril <stanislav.poboril@nxp.com>
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>