Shamu: Add Intelliactive governor

cpufreq: intelliactive: added new @faux123 governor

Change-Id: Iede94713a617445dc4f968d01779068d64fcbc5d

defconfig: added intelliactive

Change-Id: Idc771a5550d980cef2230ff3193ce8ab7f0efefd

cpufreq: intelliactive: added missing header file reference

Change-Id: I35466c318d836df0af3e763282f56085541d3451