Add external/connectivity for CNE

Change-Id: Ia2ad2a53c89c60ed9593abb178d8ab547ac04344

Signed-off-by: Nathan Chan <e334cn@gmail.com>
4.4_r1.2 -> 4.4.1_r1

Change-Id: I946441c55ae81dcce53cbcc8df21e47ebd08f686

Signed-off-by: Nathan Chan <e334cn@gmail.com>
Add vendor/cyngn