Replace boolean type with bool in examples

This is part of a move to encourage use of the standard bool type over Arduino's non-standard boolean type alias.

Author: per1234

examples/Arduino/TFTPong/TFTPong.ino

@@ -121,8 +121,8 @@ void moveBall() {
 
 // this function checks the position of the ball
 // to see if it intersects with the paddle
-boolean inPaddle(int x, int y, int rectX, int rectY, int rectWidth, int rectHeight) {
-  boolean result = false;
+bool inPaddle(int x, int y, int rectX, int rectY, int rectWidth, int rectHeight) {
+  bool result = false;
 
   if ((x >= rectX && x <= (rectX + rectWidth)) &&
       (y >= rectY && y <= (rectY + rectHeight))) {

examples/Esplora/EsploraTFTPong/EsploraTFTPong.ino

@@ -114,8 +114,8 @@ void moveBall() {
 
 // this function checks the position of the ball
 // to see if it intersects with the paddle
-boolean inPaddle(int x, int y, int rectX, int rectY, int rectWidth, int rectHeight) {
-  boolean result = false;
+bool inPaddle(int x, int y, int rectX, int rectY, int rectWidth, int rectHeight) {
+  bool result = false;
 
   if ((x >= rectX && x <= (rectX + rectWidth)) &&
       (y >= rectY && y <= (rectY + rectHeight))) {