Fix rpm packaging bit-rot

Change-Id: Ia710b0773984891ee18c6c0558cc09b984043e38
Signed-off-by: Dave Barach <dave@barachs.net>

build-root/rpm/vpp.spec

@@ -113,6 +113,7 @@ sysctl --system
 %{_unitdir}/vpp.service
 /usr/bin/vpp*
 /usr/bin/svm*
+/usr/bin/elftool
 %config /etc/sysctl.d/80-vpp.conf
 %config /etc/vpp/startup.conf
 

build-root/scripts/version

@@ -11,6 +11,7 @@ fi
 
 if [ "$1" = "rpm-release" ]; then
   [ -z "${ADD}" ] && echo release && exit
+  CMT=$(git describe --dirty --match 'v*'| cut -s -d- -f3,4 | sed 's/-/_/')
   echo ${ADD}~${CMT}
   exit
 fi