Add pcie.py to fix show pcieinfo fail log

device/accton/x86_64-accton_as7326_56x-r0/sonic_platform/pcie.py

@@ -0,0 +1,23 @@
+#############################################################################
+# Edgecore
+#
+# Module contains an implementation of SONiC Platform Base API and
+# provides the fan status which are available in the platform
+# Base PCIe class
+#############################################################################
+
+import logging
+
+
+try:
+    from sonic_platform.component import Component
+    from sonic_platform_base.sonic_pcie.pcie_common import PcieUtil
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+
+class Pcie(PcieUtil):
+    """Edgecore Platform-specific PCIe class"""
+
+    def __init__(self, platform_path):
+        PcieUtil.__init__(self, platform_path)