Add util checking hpu tensor

whisper/hpu_utils.py

@@ -1,8 +1,13 @@
 import torch
-from habana_frameworks.torch.utils.library_loader import load_habana_module
-
-load_habana_module()
 
 def get_x_hpu(x_numpy):
+    from habana_frameworks.torch.utils.library_loader import load_habana_module
+
+    load_habana_module()
+
     x_hpu = torch.from_numpy(x_numpy).to("hpu")
     return x_hpu
+
+
+def is_hpu_device(device: torch.device):
+    return device in (torch.device("hpu:0"), torch.device("hpu"))