Revert "arch: pass cpu option instead of tune option on ARM"

This reverts commit d3539dd53bf9e37538fd4d8b89783a11fded119f.
customizations for Raspberry Pi environment
reconfigure skeleton
add readme
add custom version string
add omxplayer
busybox: use 1.22.x config for snapshot
busybox: update init.d scripts and udhcpd.script
dnsmasq: add init.d script
ffmpeg: bump version to 1.2.4
hostapd: add init.d script
libcofi: add to ld.so.preload
lighttpd: update init.d script
linux-firmware: bump version
noip: add init.d script
sshd: update init.d script
sshd: install config files to /etc/ssh
php: install sqlite3 class along with pdo sqlite
rpi-firmware: use alternate repo
add init.d helper script to skeleton