gpio/tegra: Use engineering names in DT compatible property

Engineering names are more stable than marketing names. Hence, use them
for Device Tree compatible properties instead.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c
index 13afb88..747eb40 100644
--- a/drivers/gpio/gpio-tegra.c
+++ b/drivers/gpio/gpio-tegra.c
@@ -347,7 +347,7 @@
 	 * driver is converted into a platform_device
 	 */
 	tegra_gpio_chip.of_node = of_find_compatible_node(NULL, NULL,
-						"nvidia,tegra250-gpio");
+						"nvidia,tegra20-gpio");
 #endif /* CONFIG_OF_GPIO */
 
 	gpiochip_add(&tegra_gpio_chip);