build: Append build number for cpack packages
build: Append build number for cpack packages

add_vpp_packaging maccro was circumventing scripts/version causing:
1. build number not being appended to the package
2. invalid package name format (due to cmake cpack module)

Change-Id: I2b9a985357a3f3bd501be6db6ca638d4430f4bbb
Type: make
Fixes: def35a2352c9a54f748d301ffa47a446d25a83e0
Signed-off-by: YohanPipereau <d1c8beb7c5abfbe517d3a763eb4d2e95e7e3949d@cisco.com>

vpp-dev/vpp,vpp-dev/vpp,FDio/vpp,vpp-dev/vpp,chrisy/vpp,FDio/vpp,chrisy/vpp,FDio/vpp,vpp-dev/vpp,FDio/vpp,chrisy/vpp,vpp-dev/vpp,FDio/vpp,FDio/vpp,chrisy/vpp,vpp-dev/vpp,chrisy/vpp,FDio/vpp,chrisy/vpp,chrisy/vpp,FDio/vpp,vpp-dev/vpp,chrisy/vpp