introduce basic fact collection

client/vendor/github.com/zcalusic/sysinfo/cpuid/cpuid.go

@@ -0,0 +1,9 @@
+// Copyright © 2018 Zlatko Čalušić
+//
+// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
+
+// Package cpuid gives Go programs access to CPUID opcode.
+package cpuid
+
+// CPUID returns processor identification and feature information.
+func CPUID(info *[4]uint32, ax uint32)