Add basic controller device tree node to be extended by
individual boards. Use the assigned-clocks mechanism to set
NDFLASH clock to a sensible default rate of 150MHz.
Signed-off-by: NLucas Stach <dev@lynxeye.de>
Signed-off-by: NStefan Agner <stefan@agner.ch>
Signed-off-by: NThierry Reding <treding@nvidia.com>