ARM Add blue colour LED to status_led.

There is exiting support for red,yellow,green but no blue.
The main LED on the zoom2 is a blue LED.

Signed-off-by: Tom Rix <Tom.Rix@windriver.com>
diff --git a/include/status_led.h b/include/status_led.h
index 175972a..9dbf01f 100644
--- a/include/status_led.h
+++ b/include/status_led.h
@@ -397,6 +397,8 @@
 extern void	green_LED_off(void);
 extern void	yellow_LED_on(void);
 extern void	yellow_LED_off(void);
+extern void	blue_LED_on(void);
+extern void	blue_LED_off(void);
 #else
 	.extern LED_init
 	.extern red_LED_on
@@ -405,6 +407,8 @@
 	.extern yellow_LED_off
 	.extern green_LED_on
 	.extern green_LED_off
+	.extern blue_LED_on
+	.extern blue_LED_off
 #endif
 
 #endif	/* CONFIG_STATUS_LED	*/
diff --git a/lib_arm/board.c b/lib_arm/board.c
index c7768e5..d86ed22 100644
--- a/lib_arm/board.c
+++ b/lib_arm/board.c
@@ -136,6 +136,10 @@
 void inline yellow_LED_on(void)__attribute__((weak, alias("__yellow_LED_on")));
 void inline __yellow_LED_off(void) {}
 void inline yellow_LED_off(void)__attribute__((weak, alias("__yellow_LED_off")));
+void inline __blue_LED_on(void) {}
+void inline blue_LED_on(void)__attribute__((weak, alias("__blue_LED_on")));
+void inline __blue_LED_off(void) {}
+void inline blue_LED_off(void)__attribute__((weak, alias("__blue_LED_off")));
 
 /************************************************************************
  * Init Utilities							*