Updated V-USB template to allow usbFunctionWriteOut (#8634)

tmk_core/protocol/vusb/usbconfig.h

@@ -123,7 +123,7 @@ section at the end of this file).
  * data from a static buffer, set it to 0 and return the data from
  * usbFunctionSetup(). This saves a couple of bytes.
  */
-#define USB_CFG_IMPLEMENT_FN_WRITEOUT   0
+#define USB_CFG_IMPLEMENT_FN_WRITEOUT   1
 /* Define this to 1 if you want to use interrupt-out (or bulk out) endpoints.
  * You must implement the function usbFunctionWriteOut() which receives all
  * interrupt/bulk data sent to any endpoint other than 0. The endpoint number

tmk_core/protocol/vusb/vusb.c

@@ -106,8 +106,6 @@ void raw_hid_send(uint8_t *data, uint8_t length) {
         usbPoll();
     }
     usbSetInterrupt3(0, 0);
-    usbPoll();
-    _delay_ms(1);
 }
 
 __attribute__((weak)) void raw_hid_receive(uint8_t *data, uint8_t length) {