Update nva-accelerated-connections.md

Under 'Supported Regions' section, added 7 new regions to the list - 
* West US 2
* West US 3
* North Europe
* Central Sweden
* Southeast Asia
* South US
* East Australia

Author: NikitaDabirMsft

articles/networking/nva-accelerated-connections.md

@@ -71,6 +71,13 @@ This list will be updated as more regions become available. The following region
 * South UK
 * West Europe
 * Central India
+* West US 2
+* West US 3
+* North Europe
+* Central Sweden
+* Southeast Asia
+* South US
+* East Australia
 
 ## Supported SKUs