dt: writing-schema: Add a note about tools PATH setup

Users without an existing python install may not have their PATH setup
for pip installed python programs already. Add a note about having the
DT validation programs in the PATH.

Reported-by: Robert Jones <rjones@gateworks.com>
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Rob Herring 2019-10-15 10:26:00 -05:00
commit 7054c207b0