fix: HWCDC pin number

Fixes HW Serial pin setup.

The pins were set up to the wrong value and it could not be correctly configured and used.

Author: SuGlider

cores/esp32/HWCDC.cpp

@@ -246,7 +246,7 @@ void HWCDC::begin(unsigned long baud)
         return;
     }
     // Setting USB D+ D- pins
-    uint8_t pin = ESP32_BUS_TYPE_USB_DM;
+    uint8_t pin = USB_DM_GPIO_NUM;
     if(perimanGetPinBusType(pin) != ESP32_BUS_TYPE_INIT){
         if(!perimanClearPinBus(pin)){
             goto err;
@@ -255,7 +255,7 @@ void HWCDC::begin(unsigned long baud)
     if(!perimanSetPinBus(pin, ESP32_BUS_TYPE_USB_DM, (void *) this, -1, -1)){
         goto err;
     }
-    pin = ESP32_BUS_TYPE_USB_DP;
+    pin = USB_DP_GPIO_NUM;
     if(perimanGetPinBusType(pin) != ESP32_BUS_TYPE_INIT){
         if(!perimanClearPinBus(pin)){
             goto err;