only for sl8563-cpe board
1)leds test rgbled-demo
	rgbled-demo para,
-n <run counts>
-o <on , unit:s>
-f <off,unit:s>
rgbled-demo -n 5 -o 3 -f 10
on-3S,off-10S loop 5 then exit.
2)api
set_led(LED_TYPE type,  LED_STATUS  sta)
para
-type <led>
-sta  <on or off>
type,
WCN_RLED,
	WCN_GLED,
	WCN_BLED,
	POWER_RLED,
	POWER_GLED,
	POWER_BLED,
	MESSAGE_RLED,
	MESSAGE_GLED,
	MESSAGE_BLED,
	RFCELL_RLED,
	RFCELL_GLED,
	RFCELL_BLED,