sycl: add some ops

Author: zhiyuan1i

ggml/src/ggml-backend.cpp

@@ -2252,7 +2252,7 @@ ggml_backend_sched_t ggml_backend_sched_new(
     struct ggml_backend_sched * sched = (ggml_backend_sched *) calloc(1, sizeof(struct ggml_backend_sched));
 
     const char * GGML_SCHED_DEBUG = getenv("GGML_SCHED_DEBUG");
-    sched->debug = GGML_SCHED_DEBUG ? atoi(GGML_SCHED_DEBUG) : 0;
+    sched->debug = 2;//GGML_SCHED_DEBUG ? atoi(GGML_SCHED_DEBUG) : 0;
     sched->n_backends = n_backends;
     sched->n_copies = parallel ? GGML_SCHED_MAX_COPIES : 1;