dm: led: add BCM6358 led driver

This driver is a simplified version of linux/drivers/leds/leds-bcm6358.c

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/led/Kconfig b/drivers/led/Kconfig
index dc19f4f..5da5c4a 100644
--- a/drivers/led/Kconfig
+++ b/drivers/led/Kconfig
@@ -20,6 +20,14 @@
 	  means that if one LED is set to blink at 100ms and then a different
 	  LED is set to blink at 200ms, both will blink at 200ms.
 
+config LED_BCM6358
+	bool "LED Support for BCM6358"
+	depends on LED && ARCH_BMIPS
+	help
+	  This option enables support for LEDs connected to the BCM6358
+	  LED HW controller accessed via MMIO registers.
+	  HW has no blinking capabilities and up to 32 LEDs can be controlled.
+
 config LED_BLINK
 	bool "Support LED blinking"
 	depends on LED