fuzz: Don't overload meaning of reset()

This function is for really for the transport layer to trigger a device
reset. Instead name it appropriately for the fuzzing specific use case.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>

fuzz/fuzz_targets/block.rs

@@ -88,7 +88,7 @@ fuzz_target!(|bytes| {
         .ok();
 
     // Wait for the events to finish and block device worker thread to return
-    block.reset();
+    block.wait_for_epoll_threads();
 });
 
 fn memfd_create(name: &ffi::CStr, flags: u32) -> Result<RawFd, io::Error> {