dt-bindings: input: ti,drv260x: fix typo in property name
The driver looks for "vib-overdrive-mv" property, while in
documentation we have "vib-overdriver-mv". Fix the doc.
Cc: Francesco Diotalevi <francesco.diotalevi@iit.it>
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>