Improves time for setting touch interrupt

[SuGlider]

Description of Change

Fixes and improves the time it takes to set an interrupt with Touchpads in ESP32.

Tests scenarios

With ESP32 as reported in #7097

long beginDur = 0;

void IRAM_ATTR gotTouch() {}

void setup() {
    Serial.begin(115200);
}

void loop() {
    beginDur = millis();
    touchAttachInterrupt(4, gotTouch, 30);
    Serial.println("dur: " + String(millis() - beginDur));
}

Espected output shall report 0 as time.

Related links

Fixes #7097

[P-R-O-C-H-Y]

@SuGlider With this PR, the Touch Interrupt no longer works for me on ESP32. It initialised fast (0ms) but it does not work.

Check it with this sketch:

long beginDur = 0;

void IRAM_ATTR gotTouch() {
    Serial.println("GOT TOUCH");
  }

void setup() {
    Serial.begin(115200);

    for(int i = 0; i<10 ; i++)
    {
      beginDur = millis();
      touchAttachInterrupt(2, gotTouch, 40);
      Serial.println("dur: " + String(millis() - beginDur));
    }
}

void loop() {

}

[P-R-O-C-H-Y]

@SuGlider I think the threshold is not working anymore, because we still use TOUCH_V1 but the threshold uses the function from TOUCH_V2.

[P-R-O-C-H-Y]

Take a look on comments above

[SuGlider]

Fixed. Thanks!

[P-R-O-C-H-Y]

LGTM!