Remove Xlnk and fix bank allocation

Author: mariodruiz

pynq_helloworld/notebooks/pcie/resizer_device.ipynb

@@ -66,7 +66,7 @@
     "import numpy as np\n",
     "import matplotlib.pyplot as plt\n",
     "%matplotlib inline\n",
-    "from pynq import Xlnk, Overlay, allocate"
+    "from pynq import Overlay, allocate"
    ]
   },
   {
@@ -243,10 +243,10 @@
     "    mem_port1 = resize_design.bank1\n",
     "elif 'DDR0' in resize_design.mem_dict:\n",
     "    mem_port0 = resize_design.DDR0\n",
-    "    mem_port0 = resize_design.DDR1\n",
+    "    mem_port1 = resize_design.DDR1\n",
     "elif 'HBM0' in resize_design.mem_dict:\n",
     "    mem_port0 = resize_design.HBM0\n",
-    "    mem_port0 = resize_design.HBM1\n",
+    "    mem_port1 = resize_design.HBM1\n",
     "else:\n",
     "    print(\"Please specify correct mem_port0 and mem_port1.\")"
    ]