Asynchronous Fsync: initial extraction of Async Fsync from HTC

Signed-off-by: Paul Reioux <reioux@gmail.com>

Conflicts:

	drivers/mmc/core/mmc.c

Conflicts:
	fs/Kconfig
HACK: allow USB charging at 1A
add doubletap2wake, completely rewritten on the s2w template

This is as easy to port as s2w, if not easier since no touchscreen
coords are necessary for it to work.

Just throw it in your tree, force the touchscreen to stay online and
you are done.

Signed-off-by: Dennis Rassmann <showp1984@gmail.com>
dt2w: fix triple tap to wake occuring sometimes

Signed-off-by: Dennis Rassmann <showp1984@gmail.com>