cm-t35: use gpio_led driver for status led

Switch to using the generic gpio_led driver instead of the private to
cm_t35 board led implementation.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Tested-by: Nikita Kiryanov <nikita@compulab.co.il>

board/compulab/cm_t35/Makefile

@@ -7,4 +7,4 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-obj-y	+= cm_t35.o leds.o
+obj-y	+= cm_t35.o

board/compulab/cm_t35/leds.c

@@ -1,33 +0,0 @@
-/*
- * (C) Copyright 2011 - 2013 CompuLab, Ltd. <www.compulab.co.il>
- *
- * Author: Igor Grinberg <grinberg@compulab.co.il>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <status_led.h>
-#include <asm/gpio.h>
-
-static unsigned int leds[] = { GREEN_LED_GPIO };
-
-void __led_init(led_id_t mask, int state)
-{
-	if (gpio_request(leds[mask], "") != 0) {
-		printf("%s: failed requesting GPIO%u\n", __func__, leds[mask]);
-		return;
-	}
-
-	gpio_direction_output(leds[mask], 0);
-}
-
-void __led_set(led_id_t mask, int state)
-{
-	gpio_set_value(leds[mask], state == STATUS_LED_ON);
-}
-
-void __led_toggle(led_id_t mask)
-{
-	gpio_set_value(leds[mask], !gpio_get_value(leds[mask]));
-}

include/configs/cm_t35.h

@@ -302,12 +302,13 @@
 /* Status LED */
 #define CONFIG_STATUS_LED		/* Status LED enabled */
 #define CONFIG_BOARD_SPECIFIC_LED
-#define STATUS_LED_GREEN		0
-#define STATUS_LED_BIT			STATUS_LED_GREEN
+#define CONFIG_GPIO_LED
+#define GREEN_LED_GPIO			186 /* CM-T35 Green LED is GPIO186 */
+#define GREEN_LED_DEV			0
+#define STATUS_LED_BIT			GREEN_LED_GPIO
 #define STATUS_LED_STATE		STATUS_LED_ON
 #define STATUS_LED_PERIOD		(CONFIG_SYS_HZ / 2)
-#define STATUS_LED_BOOT			STATUS_LED_BIT
-#define GREEN_LED_GPIO			186 /* CM-T35 Green LED is GPIO186 */
+#define STATUS_LED_BOOT			GREEN_LED_DEV
 
 #define CONFIG_SPLASHIMAGE_GUARD