led: add initial support for bcm6858

The driver add the support of the led IP on bcm6858.
This led IP can drive up to 32 leds, and can handle
blinking.

Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
diff --git a/drivers/led/Kconfig b/drivers/led/Kconfig
index 5da5c4a..4c8582d 100644
--- a/drivers/led/Kconfig
+++ b/drivers/led/Kconfig
@@ -28,6 +28,13 @@
 	  LED HW controller accessed via MMIO registers.
 	  HW has no blinking capabilities and up to 32 LEDs can be controlled.
 
+config LED_BCM6858
+	bool "LED Support for BCM6858"
+	depends on LED && ARCH_BCM6858
+	help
+	  This option enables support for LEDs connected to the BCM6858
+	  HW has blinking capabilities and up to 32 LEDs can be controlled.
+
 config LED_BLINK
 	bool "Support LED blinking"
 	depends on LED