Just drop the "linux" part of the path, it was never correct.
Reported-by: NJoe Perches <joe@perches.com>
Fixes: 256ac037 ("dt-bindings: document devicetree bindings for mux-controllers and gpio-mux")
Signed-off-by: NPeter Rosin <peda@axentia.se>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>