VOL-3121 - Removing usage of device.Ports

Changed device.Ports usages to GetDevicePort() and ListDevicePorts()
Added port type filter to PortsStateUpdate()

Change-Id: I4fab819a909379ee71e70eb48ac44044e9810185
diff --git a/go.sum b/go.sum
index 2d7782a..62a75be 100644
--- a/go.sum
+++ b/go.sum
@@ -204,10 +204,10 @@
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