Change to preferring host to accel

Signed-off-by: James Brodman <[email protected]>

Author: jbrodman

sycl/source/device_selector.cpp

@@ -63,6 +63,9 @@ int default_selector::operator()(const device &dev) const {
   if (dev.is_host())
     return 100;
 
+  if (dev.is_accelerator())
+    return 50;
+
   return -1;
 }