Merge pull request #1370 from hathach/fix-esp-idf

fix build with esp32s2, also use dwc2 for esp example

examples/device/hid_composite_freertos/src/CMakeLists.txt

@@ -31,5 +31,5 @@ target_sources(${COMPONENT_TARGET} PUBLIC
   "${TOP}/src/class/net/ncm_device.c"
   "${TOP}/src/class/usbtmc/usbtmc_device.c"
   "${TOP}/src/class/vendor/vendor_device.c"
-  "${TOP}/src/portable/espressif/esp32sx/dcd_esp32sx.c"
+  "${TOP}/src/portable/synopsys/dwc2/dcd_dwc2.c"
 )

src/portable/espressif/esp32sx/dcd_esp32sx.c

@@ -34,7 +34,6 @@
 #include "freertos/xtensa_api.h"
 #include "esp_intr_alloc.h"
 #include "esp_log.h"
-#include "driver/gpio.h"
 #include "soc/dport_reg.h"
 #include "soc/gpio_sig_map.h"
 #include "soc/usb_periph.h"