Add Qwiic Button to Scanner example

examples/Scanner/Scanner.ino

@@ -161,6 +161,7 @@ void printKnownChips(byte address)
     case 0x69: Serial.print(F("MPU6050,MPU9050,MPU9250,ITG3701,L3G4200D")); break;
     case 0x6A: Serial.print(F("LSM9DS1")); break;
     case 0x6B: Serial.print(F("LSM9DS0")); break;
+    case 0x6F: Serial.print(F("Qwiic Button")); break;
     case 0x70: Serial.print(F("HT16K33")); break;
     case 0x71: Serial.print(F("SFE7SEG,HT16K33")); break;
     case 0x72: Serial.print(F("HT16K33")); break;