Add support for Solidrun's MX6 Cubox/Hummingboard. For more information about these boards, please check: https://www.solid-run.com/freescale-imx6-family/hummingboard/ https://www.solid-run.com/freescale-imx6-family/cubox-i/ U-Boot is capable of detecting the version of the board in run-time and loads the correct dtb. Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
