Fix IPEX support and add XPU device to device_utils

tools/latent_upscaler.py

@@ -11,12 +11,13 @@ from typing import Dict, List
 import numpy as np
 
 import torch
+from library.device_utils import init_ipex, get_preferred_device
+init_ipex()
+
 from torch import nn
 from tqdm import tqdm
 from PIL import Image
 
-from library.device_utils import get_preferred_device
-
 
 class ResidualBlock(nn.Module):
     def __init__(self, in_channels, out_channels=None, kernel_size=3, stride=1, padding=1):