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>

Documentation/devicetree/bindings/input/ti,drv260x.txt

@@ -43,7 +43,7 @@ haptics: haptics@5a {
 	mode = <DRV260X_LRA_MODE>;
 	library-sel = <DRV260X_LIB_LRA>;
 	vib-rated-mv = <3200>;
-	vib-overdriver-mv = <3200>;
+	vib-overdrive-mv = <3200>;
 }
 
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