Revert "defconfig: bye CONFIG_WAKELOCK_STAT."

This reverts commit 29aabc2881210a71c9a9d5e98e56f00f84d81c8a.
Revert "wakelock: fix Kernel error when compiling with CONFIG_WAKELOCK_STAT=n. I'm done with wakelock stats, users should their times enjoying their phones and stop looking at stuff that they don't compreehnd."

This reverts commit 8c843b985c33ecf61f35415a6573145a93f3a966.