Adding LED defines for CI

Author: Ashok Rao

targets/TARGET_NORDIC/TARGET_NRF5x/TARGET_NRF52/TARGET_MCU_NRF52832/TARGET_MTB_MURATA_WSM_BL241/PinNames.h

@@ -145,14 +145,10 @@ typedef enum {
     //LEDs
     LED1 = P_22,
     LED_RED = LED1,
-/*
+
     LED2 = NC,
     LED3 = NC,
 
-    LED_GREEN = LED2,
-    LED_BLUE = LED3,
-*/
-
     GP0 = P_23,
     //Standardized button name
     BUTTON1 = GP0,