Added overclock feature up to 1920 mhz;
updated sysfs interface for new frequencies
re-applied boeffla updates because they were reverted with the git revert previusly applied
corrected my buildscript in the zip/tar section
writed and added the script that let you manage overclock
MAJOR Credits for the OC feature to Ptmr3, i used one his commit but made also several changes to adapt undervolt interface.