Looks like someone is attempting to mainline support for RIoT & MarS into u-Boot here
http://thread.gmane.org/gmane.comp.boot-loaders.u-boot/183017/focus=183017
Strange therefore that it's not obviously an e14/Embest/Freescale employee.
Anyhow, finally some light at the end of the tunnel for those of us not interested in Android or archaelogical digs into ancient history that the non-Android options currently entail.