Enable pciutils package
Simplify printing of header/footer in stresstest
Factor out helper functions to /usr/bin/func.sh
Enable compiler cache
Add custom busybox configuration

Disable lspci command.
Do not put a getty on the serial port
Add network interfaces configuration
Add script for continuous integration testing
Let ttysnoop spawn integration test script
Call ethtool for eth0 in integtest script
Set eth0 address to 192.168.254.100