ARM: tegra: use DT bindings for GPIO naming

There are currently many places that define the list of all Tegra GPIOs;
the DT binding header and custom Tegra-specific header file gpio.h. Fix
the redundancy by replacing everything with the DT binding header file.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
diff --git a/board/toradex/colibri_t20/colibri_t20.c b/board/toradex/colibri_t20/colibri_t20.c
index 879f25a..68fbf49 100644
--- a/board/toradex/colibri_t20/colibri_t20.c
+++ b/board/toradex/colibri_t20/colibri_t20.c
@@ -103,11 +103,11 @@
 	pinmux_tristate_disable(PMUX_PINGRP_DTE);
 
 	/* Reset ASIX using LAN_RESET */
-	gpio_request(GPIO_PV4, "LAN_RESET");
-	gpio_direction_output(GPIO_PV4, 0);
+	gpio_request(TEGRA_GPIO(V, 4), "LAN_RESET");
+	gpio_direction_output(TEGRA_GPIO(V, 4), 0);
 	pinmux_tristate_disable(PMUX_PINGRP_GPV);
 	udelay(5);
-	gpio_set_value(GPIO_PV4, 1);
+	gpio_set_value(TEGRA_GPIO(V, 4), 1);
 
 	/* USBH_PEN: USB 1 aka Tegra USB port 3 VBus */
 	pinmux_tristate_disable(PMUX_PINGRP_SPIG);