Resolve "Specific paths cant be requested, because the underlying device goStruct can't be filled."

Description

Related Issue

Motivation and Context

How Has This Been Tested?

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Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

Closes #148 (closed)

nucleus/util/path/translate.go

@@ -6,6 +6,7 @@ import (
 	gpb "github.com/openconfig/gnmi/proto/gnmi"
 )
 
+// GnmiPathPiece represents a piece of a gnmi.Path and holds its Name and Keys
 type GnmiPathPiece struct {
 	Name string
 	Keys map[string]string