UPSTREAM: doc: overlays: Tweak documentation regarding overlays

Pull some information regarding overlays from commit messages and
put them directly within the documentation. Also add some informatio

UPSTREAM: 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.

Change-Id: Idccfd1db39dd27a19415f05738e65ca43413cb25
Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
(cherry picked from commit 56fc7032e1771882a086e8283586fc7c733ba6bd)

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UPSTREAM: fit: fdt overlays doc

Change-Id: I69e26ac5683578d8a3333e33e94b65556af479bb
Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
Reviewed-by: Łukasz Majewski
Acked-by: Simon Gl

UPSTREAM: fit: fdt overlays doc

Change-Id: I69e26ac5683578d8a3333e33e94b65556af479bb
Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
Reviewed-by: Łukasz Majewski
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
(cherry picked from commit 6b54e50b5a5889efe179cb06aa6aa25583ef25d5)

show more ...