doc: overlays: Tweak documentation regarding overlays
authorFranklin S Cooper Jr <fcooper@ti.com>
Mon, 4 Sep 2017 20:12:19 +0000 (23:12 +0300)
committerSimon Glass <sjg@chromium.org>
Fri, 15 Sep 2017 11:27:49 +0000 (05:27 -0600)
commit56fc7032e1771882a086e8283586fc7c733ba6bd
tree49db4ab9c6cbd958f67344da8c08170cd13b2b94
parentd80162cfc559491dee3009b120e7268e9388302f
doc: overlays: Tweak documentation regarding overlays

Pull some information regarding overlays from commit messages and
put them directly within the documentation. Also add some information
regarding required dtc version to properly use overlays.

Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com>
Acked-by: Simon Glass <sjg@chromium.org>
doc/README.fdt-overlays
doc/uImage.FIT/overlay-fdt-boot.txt