Revert "backported mutex from 3.0"

This reverts commit 2902016df618d9391ffd5709a3b0dab926747df8.

Conflicts:

	include/linux/autoconf.h
Merge branch 'android-msm-2.6.32' of github.com:PecanCM/lge-kernel-pecan into android-msm-2.6.32
Merge branch 'android-msm-2.6.32' of github.com:PecanCM/lge-kernel-pecan into android-msm-2.6.32

Conflicts:
	include/linux/autoconf.h
Merge branch 'android-msm-2.6.32' of github.com:PecanCM/lge-kernel-pecan into android-msm-2.6.32
Merge branch 'android-msm-2.6.32' of github.com:PecanCM/lge-kernel-pecan into android-msm-2.6.32
Merge branch 'android-msm-2.6.32' of github.com:PecanCM/lge-kernel-pecan into android-msm-2.6.32
Merge branch 'android-msm-2.6.32' of github.com:PecanCM/lge-kernel-pecan into android-msm-2.6.32
sysfs: Add notes

Signed-off-by: RonGokhale <cips173@gmail.com>
msm: Adding iommu and subsystem_map

Signed-off-by: RonGokhale <cips173@gmail.com>