Revert "powernow-k6: reorder frequencies"

This reverts commit bfa37c6db3e65fbb7aefdb5fae8edf0a561184e1.
Revert "powernow-k6: correctly initialize default parameters"

This reverts commit 78b5dc482b46b0c403a43e8f705e5c1aaaf066c8.
Revert "powernow-k6: disable cache when changing frequency"

This reverts commit c24ce8fd8fdfa6319ad097f6efbe4c0f24d073f5.