Revert "add sysfs-tuneable for vibration power"

This reverts commit 01866b00cc3fcb236740bee212939e35293eb7a9.
cpufreq: Fix sparse warnings by updating cputime64_t to u64
There were few sparse warnings due to mismatch of type on function arguments.
Two types were used u64 and cputime64_t. Both are actually u64, so use u64 only.