Fix nasm deps for Fedora.
Fix nasm deps for Fedora.

Fedora 24 and 25 distro already includes nasm 2.12 but Centos does not as yet.

Change-Id: I060ea8b7b7892ac8444d850398ed1c9100631fbc
Signed-off-by: Thomas F Herbert <0786393240831fc3b5d6ed63658cfb1f3b1e6c40@redhat.com>

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