common: Drop global inclusion of status_led.h

This is only used by a few files so it should not be in the common header.
Move it out.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/board/atmel/at91sam9261ek/led.c b/board/atmel/at91sam9261ek/led.c
index 8196786..a1aab98 100644
--- a/board/atmel/at91sam9261ek/led.c
+++ b/board/atmel/at91sam9261ek/led.c
@@ -6,6 +6,7 @@
  */
 
 #include <common.h>
+#include <status_led.h>
 #include <asm/arch/at91sam9261.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/at91_pio.h>