dt-bindings: gpio: Use Tegra186-specific include guard

Use a unique include guard for the Tegra186 GPIO DT bindings header to
avoid clashes with the DT bindings header for earlier chips.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20201127140852.123192-2-thierry.reding@gmail.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

include/dt-bindings/gpio/tegra186-gpio.h

@@ -8,8 +8,8 @@
  * The second cell contains standard flag values specified in gpio.h.
  */
 
-#ifndef _DT_BINDINGS_GPIO_TEGRA_GPIO_H
-#define _DT_BINDINGS_GPIO_TEGRA_GPIO_H
+#ifndef _DT_BINDINGS_GPIO_TEGRA186_GPIO_H
+#define _DT_BINDINGS_GPIO_TEGRA186_GPIO_H
 
 #include <dt-bindings/gpio/gpio.h>