The unicode characters to draw the debugfs tree
may fail with some Latex distributions.
These characters are replaced with some ASCII equivalents.
Fixes: 14ad4f018453 ("doc: add Marvell OCTEON TX2 platform guide")
Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
Acked-by: Jerin Jacob <jerinj@marvell.com>
d34b50181d