Allow configuration of USB_VBUS_PIN on chibios (#13342)

tmk_core/common/chibios/chibios_config.h

@@ -15,7 +15,9 @@
  */
 #pragma once
 
-#define SPLIT_USB_DETECT  // Force this on for now
+#ifndef USB_VBUS_PIN
+#    define SPLIT_USB_DETECT  // Force this on when dedicated pin is not used
+#endif
 
 #if defined(STM32F1XX)
 #    define USE_GPIOV1

tmk_core/common/usb_util.c

@@ -13,8 +13,8 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
+#include "quantum.h"
 #include "usb_util.h"
-#include "wait.h"
 
 __attribute__((weak)) void usb_disable(void) {}
 __attribute__((weak)) bool usb_connected_state(void) { return true; }