Update for Pico W, update sprite smooth font rendering

Update example for Pico W

If a background colour is not specified for smooth font rendering in a sprite then read the sprite background pixel colour.

examples/Smooth Graphics/Anti-aliased_Clock/Anti-aliased_Clock.ino

@@ -129,7 +129,7 @@ static void renderFace(float t) {
   face.setTextDatum(MC_DATUM);
 
   // The background colour will be read during the character rendering
-  face.setTextColor(CLOCK_FG);
+  face.setTextColor(CLOCK_FG, CLOCK_BG);
 
   // Text offset adjustment
   constexpr uint32_t dialOffset = CLOCK_R - 10;
@@ -143,7 +143,7 @@ static void renderFace(float t) {
   }
 
   // Add text (could be digital time...)
-  face.setTextColor(LABEL_FG);
+  face.setTextColor(LABEL_FG, CLOCK_BG);
   face.drawString("TFT_eSPI", CLOCK_R, CLOCK_R * 0.75);
 
   // Draw minute hand

examples/Smooth Graphics/Anti-aliased_Clock/NTP_Time.h

@@ -14,7 +14,7 @@
 #ifdef ESP8266
 // ESP8266
 #include <ESP8266WiFi.h>
-#elif defined(ARDUINO_ARCH_MBED) || defined(ARDUINO_ARCH_RP2040)
+#elif (defined(ARDUINO_ARCH_MBED) || defined(ARDUINO_ARCH_RP2040)) && !defined(ARDUINO_RASPBERRY_PI_PICO_W)
 // RP2040 Nano Connect
 #include <WiFiNINA.h>
 #else