leds: Add dac124s085 driver

Add an LED driver using the DAC124S085 DAC from NatSemi

[randy.dunlap@oracle.com: use header files for interfaces]
Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index 9d76f0f..4157e86 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -25,6 +25,9 @@
 obj-$(CONFIG_LEDS_DA903X)		+= leds-da903x.o
 obj-$(CONFIG_LEDS_WM8350)		+= leds-wm8350.o
 
+# LED SPI Drivers
+obj-$(CONFIG_LEDS_DAC124S085)		+= leds-dac124s085.o
+
 # LED Triggers
 obj-$(CONFIG_LEDS_TRIGGER_TIMER)	+= ledtrig-timer.o
 obj-$(CONFIG_LEDS_TRIGGER_IDE_DISK)	+= ledtrig-ide-disk.o