Fix the following DT schema check warning:
./Documentation/devicetree/bindings/pinctrl/cix,sky1-pinctrl.yaml:68:1: [warning] too many blank lines (2 > 1) (empty-lines)
One newline is enough. No functional change.
Signed-off-by: Marek Vasut <marex@nabladev.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>