Port to dylan branch of Yocto
Update sample conf files
Update README commit hashes
Use meta-openembedded and meta-gumstix for u-boot
Remove redundant u-boot/fw_env.config
Add gpio kernel patch for fit board
Add term-prompt recipe to layer
Update console recipe to support dylan upgrade
Let driver handle gpio export
Update to latest gumstix u-boot
Update conf sample files