ar71xx: airrouter power led support

This patch adds support for power led to Unifi Airrouter AP.

[juhosg:fold the patch into 608-MIPS-ath79-ubnt-xm-add-more-boards.patch]

Signed-off-by: Rocco Folino <lordzen@autistici.org>

SVN-Revision: 32678

target/linux/ar71xx/patches-3.3/608-MIPS-ath79-ubnt-xm-add-more-boards.patch

@@ -57,7 +57,7 @@
  
  	ath79_register_leds_gpio(-1, ARRAY_SIZE(ubnt_xm_leds_gpio),
  				 ubnt_xm_leds_gpio);
-@@ -79,9 +85,107 @@ static void __init ubnt_xm_init(void)
+@@ -79,9 +85,112 @@ static void __init ubnt_xm_init(void)
  
  	ath79_register_m25p80(NULL);
  	ap91_pci_init(eeprom, NULL);
@@ -99,6 +99,11 @@
 +		.name		= "ubnt:green:globe",
 +		.gpio		= 0,
 +		.active_low	= 1,
++	}, {
++	        .name		= "ubnt:green:power",
++		.gpio		= 11,
++		.active_low	= 1,
++		.default_state  = LEDS_GPIO_DEFSTATE_ON,
 +	}
 +};
 +