update adafruit boards, add explicit usb info for esp32s2 dev

Author: hathach

boards.txt

@@ -3352,7 +3352,7 @@ adafruit_metro_esp32s2.build.core=esp32
 adafruit_metro_esp32s2.build.variant=adafruit_metro_esp32s2
 adafruit_metro_esp32s2.build.board=METRO_ESP32S2
 
-adafruit_metro_esp32s2.build.serial=0
+adafruit_metro_esp32s2.build.serial=1
 adafruit_metro_esp32s2.build.f_cpu=240000000L
 adafruit_metro_esp32s2.build.flash_size=4MB
 adafruit_metro_esp32s2.build.flash_freq=80m
@@ -3510,7 +3510,7 @@ adafruit_magtag29_esp32s2.build.core=esp32
 adafruit_magtag29_esp32s2.build.variant=adafruit_magtag29_esp32s2
 adafruit_magtag29_esp32s2.build.board=MAGTAG29_ESP32S2
 
-adafruit_magtag29_esp32s2.build.serial=0
+adafruit_magtag29_esp32s2.build.serial=1
 adafruit_magtag29_esp32s2.build.f_cpu=240000000L
 adafruit_magtag29_esp32s2.build.flash_size=4MB
 adafruit_magtag29_esp32s2.build.flash_freq=80m
@@ -3668,7 +3668,7 @@ adafruit_funhouse_esp32s2.build.core=esp32
 adafruit_funhouse_esp32s2.build.variant=adafruit_funhouse_esp32s2
 adafruit_funhouse_esp32s2.build.board=FUNHOUSE_ESP32S2
 
-adafruit_funhouse_esp32s2.build.serial=0
+adafruit_funhouse_esp32s2.build.serial=1
 adafruit_funhouse_esp32s2.build.f_cpu=240000000L
 adafruit_funhouse_esp32s2.build.flash_size=4MB
 adafruit_funhouse_esp32s2.build.flash_freq=80m
@@ -3826,7 +3826,7 @@ adafruit_feather_esp32s2_nopsram.build.core=esp32
 adafruit_feather_esp32s2_nopsram.build.variant=adafruit_feather_esp32s2
 adafruit_feather_esp32s2_nopsram.build.board=ADAFRUIT_FEATHER_ESP32S2_NOPSRAM
 
-adafruit_feather_esp32s2_nopsram.build.serial=0
+adafruit_feather_esp32s2_nopsram.build.serial=1
 adafruit_feather_esp32s2_nopsram.build.f_cpu=240000000L
 adafruit_feather_esp32s2_nopsram.build.flash_size=4MB
 adafruit_feather_esp32s2_nopsram.build.flash_freq=80m

variants/esp32s2/pins_arduino.h

@@ -3,6 +3,11 @@
 
 #include <stdint.h>
 
+#define USB_VID            0x303A
+#define USB_PID            0x0002
+#define USB_MANUFACTURER   "Espressif Systems"
+#define USB_PRODUCT        "ESP32S2_DEV"
+
 #define EXTERNAL_NUM_INTERRUPTS 46
 #define NUM_DIGITAL_PINS        48
 #define NUM_ANALOG_INPUTS       20