ARM: mx5: convert to new leds-gpio registration helper

This gets rid of per machine struct platform_device definitions and allows
to move the platform data and led definition to .init.rodata.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/arch/arm/mach-mx5/eukrea_mbimx51-baseboard.c b/arch/arm/mach-mx5/eukrea_mbimx51-baseboard.c
index 97292d2..02ce720 100644
--- a/arch/arm/mach-mx5/eukrea_mbimx51-baseboard.c
+++ b/arch/arm/mach-mx5/eukrea_mbimx51-baseboard.c
@@ -37,7 +37,7 @@
 #define MBIMX51_LED2		IMX_GPIO_NR(3, 7)
 #define MBIMX51_LED3		IMX_GPIO_NR(3, 8)
 
-static struct gpio_led mbimx51_leds[] = {
+static const struct gpio_led mbimx51_leds[] __initconst = {
 	{
 		.name			= "led0",
 		.default_trigger	= "heartbeat",
@@ -64,23 +64,11 @@
 	},
 };
 
-static struct gpio_led_platform_data mbimx51_leds_info = {
+static const struct gpio_led_platform_data mbimx51_leds_info __initconst = {
 	.leds		= mbimx51_leds,
 	.num_leds	= ARRAY_SIZE(mbimx51_leds),
 };
 
-static struct platform_device mbimx51_leds_gpio = {
-	.name	= "leds-gpio",
-	.id	= -1,
-	.dev	= {
-		.platform_data	= &mbimx51_leds_info,
-	},
-};
-
-static struct platform_device *devices[] __initdata = {
-	&mbimx51_leds_gpio,
-};
-
 static iomux_v3_cfg_t mbimx51_pads[] = {
 	/* UART2 */
 	MX51_PAD_UART2_RXD__UART2_RXD,
@@ -204,7 +192,7 @@
 	gpio_direction_output(MBIMX51_LED3, 1);
 	gpio_free(MBIMX51_LED3);
 
-	platform_add_devices(devices, ARRAY_SIZE(devices));
+	gpio_led_register_device(-1, &mbimx51_leds_info);
 
 	imx51_add_imx_keypad(&mbimx51_map_data);