cmhw: Add tap to wake

* Disabled by default.

Change-Id: I5182d6ab96f6820c870da95e6192f82efa71ea5e
releasetools: use set_metadata instead of set_perm

Change-Id: I1eda9dd7c1b1497fde1ae57596329193901947a2
init: properly set perm for max1187x wakeup attribute

* Derp, typo fix.

Change-Id: Idf965565e4b96bfbdc828c25192d96ff50e3d48d
Merge pull request #5 from CyanogenMod/cm-11.0

chirayudesai	cmhw: Add tap to wake +update