msm: nohlt: move nohlt driver to new kernel location

This patch moves nohlt (no halt) driver from mach-msm
directory to machine independent location in kernel.

Change-Id: Ic0eb19db7432dfd77c0d993a0cdccd9c4f81183f
Signed-off-by: Murali Nalajala <mnalajal@codeaurora.org>