H2W: s2w from dlx (showp-1984) reworked with HTC source and Home2Wake

- adds H2W to synaptics_3k based on S2W
- adds GPIO_keys support (unneeded for now)
- wake works on HOME press
- added configurable HTC Logo for Menu and Sleep options
- sysfs configuration points
defconfig: adding S2W activation, cpu stats, ntfs rw support