packagegroup builder: add btrfs-tools and tcpdump
packagegroup builder: add btrfs-tools and tcpdump

Signed-off-by: Jim Somerville <102cd290f47450cd930e68c956ca1e51fe8c8434@windriver.com>

paw3142/meta-overc-1,OverC/meta-overc,mufeng/meta-overc,WindRiver-OpenSourceLabs/meta-overc,mufeng/meta-overc,masselstine/meta-overc,jwessel/meta-overc,WindRiver-OpenSourceLabs/meta-overc,mufeng/meta-overc,jwessel/meta-overc,masselstine/meta-overc,OverC/meta-overc,jwessel/meta-overc,OverC/meta-overc,WindRiver-OpenSourceLabs/meta-overc,masselstine/meta-overc,masselstine/meta-overc,OverC/meta-overc,OverC/meta-overc,OverC/meta-overc,paw3142/meta-overc-1