Update vqfx Makefile (#289)

* Update Makefile

In the last line is calling the variable $(VR_NAME) but it wasn't defined before so i update the variable NAME to VR_NAME

* try vqfx with the common workflow

* Revert "try vqfx with the common workflow"

This reverts commit c1f8866.

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Co-authored-by: Roman Dodin <dodin.roman@gmail.com>

Author: Zegroj

vqfx/Makefile

@@ -1,5 +1,5 @@
 VENDOR=Juniper
-NAME=vQFX
+VR_NAME=vQFX
 IMAGE_FORMAT=qcow2
 IMAGE_GLOB=*.qcow2