change saola-1 led to pin 18 by default

hw/bsp/esp32s2_saola_1/esp32s2_saola_1.c

@@ -37,8 +37,8 @@
 
 // Note: On the production version (v1.2) WS2812 is connected to GPIO 18,
 // however earlier revision v1.1 WS2812 is connected to GPIO 17
-//#define LED_PIN               18 // v1.2 and later
-#define LED_PIN               17 // v1.1
+#define LED_PIN               18 // v1.2 and later
+//#define LED_PIN               17 // v1.1
 
 #define BUTTON_PIN            0
 #define BUTTON_STATE_ACTIVE   0