Fix first read timeout on icarus get nonce.

driver-icarus.c

@@ -652,7 +652,7 @@ retry:
 	}
 
 	memset(nonce_bin, 0, sizeof(nonce_bin));
-	ret = icarus_get_nonce(icarus, nonce_bin, &tv_start, &tv_finish, NULL, 1);
+	ret = icarus_get_nonce(icarus, nonce_bin, &tv_start, &tv_finish, NULL, 100);
 	if (ret != ICA_NONCE_OK) {
 		if (tries < 3)
 			goto retry;