Fix SMBus piix4 error in Ubuntu and Centos

This applies only for VirtualBox deployment

All OSes: blacklist i2c_piix4 kernel module
Ubuntu: update initramfs after applying change

Change-Id: I9e5215d9c30f191c0b4e46e6146ac36d4c56d153
Closes-Bug: #1259118
Merge "Fix SMBus piix4 error in Ubuntu and Centos"