fdt: add dt-bindings for bcm2835

This patch adds dt-bindings as used by the linux kernel device trees
for the bcm283x family.

Albert Aribaud <albert.u.boot@aribaud.net>
Signed-off-by: Fabian Vogt <fvogt@suse.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
4 files changed