Update freescale layer names, add nitrogen inc file

Update freescale layer names, add nitrogen inc file

Change-Id: I1faf7ad14cc85cd12055f7e4c7e43ffe4ccf0671
Signed-off-by: Nathan Illerbrun <nathani@validmanufacturing.com>
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/10203
Tested-by: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
ci-image-build: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
ci-image-boot-test: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>