Added voltage control
Fix compile error in rmnet
cpufreq: Added governors abyssplug, adaptive, asswax, dancedance, nightmare, pegasusq, slp, smartassH3, and wheatley
Changed default govenor to Interactive

Change-Id: Ia7277fe5d613e148447df628a6c290bdff36e545
Signed-off-by: Chris Conley <chrisc93@vt.edu>