UPSTREAM: of: Add prompt for OF_OVERLAY config

Signed-off-by: Matwey V. Kornilov <matwey@sai.msu.ru>
Signed-off-by: Rob Herring <robh@kernel.org>
(cherry picked from commit 5c776064a4a4600a7adea4503d77c6aad9baa476)
Bug: 109890997
Change-Id: Ib4fbcbb82bc3313828867d0f10bf6161c77fa915
Signed-off-by: John Stultz <john.stultz@linaro.org>
1 file changed