V-USB suspend refactor (#11891)

tmk_core/protocol/vusb/vusb.h

@@ -18,6 +18,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #pragma once
 
 #include "host_driver.h"
+#include <usbdrv/usbdrv.h>
 
 typedef struct usbDescriptorHeader {
     uchar bLength;
@@ -119,5 +120,7 @@ typedef struct usbConfigurationDescriptor {
 
 #define USB_STRING_LEN(s) (sizeof(usbDescriptorHeader_t) + ((s) << 1))
 
+extern bool vusb_suspended;
+
 host_driver_t *vusb_driver(void);
 void           vusb_transfer_keyboard(void);