bsp/dialog_da1469x-dk-pro: Added definition for LED_3.
Assigned to unused pin on DA1469x dev board which is brought out to
a header. An external LED will be have to be wired to it as only
one LED is available on the board.
@@ -40,6 +40,7 @@ extern uint8_t _ram_start;
/* LED pins */
#define LED_1 (33) /* P1_1 */
#define LED_2 (43) /* P1_11 */
+#define LED_3 (42) /* P1_10 */
#define LED_BLINK_PIN LED_1
/* Button pin */
