Ikoka Stick: Board IDs, LED behavior

Updates the manufacturer identifier with the EBYTE module. Makes the LED
behave properly. Turns the bright blue LED off after the first time you
transmit anything via LoRa.

variants/ikoka_stick_nrf/variant.h

@@ -35,7 +35,7 @@ extern "C"
 #define LED_GREEN               (13)
 #define LED_BLUE                (12)
 
-#define LED_STATE_ON            (1)     // State when LED is litted
+#define LED_STATE_ON            (0)     // State when LED is litted
 
 // Buttons
 #define PIN_BUTTON1             (PINS_COUNT)