mkbootimg: Add --dt parameter to specify DT image

New optional --dt parameter to specify a kernel device
tree image.

Change-Id: I7e2c48c25c04165642eedadc3dc16a082dd99eb0
init: uevent: Add msm video symbolic link handling

Create meaningful symbolic links for video encode/decode
devices based on link_name sysfs node so that video client
doesn't have to rely on dynamic dev node names like device32,
device33 etc.

Change-Id: I70386351d83b8a7a7a690378870eee87f4c96983
Revert changes to main init.rc file

Move these to the CM init, there's no need to have them here.

Revert "rootdir: Set permissions for additional interactive sysfs nodes"

This reverts commit d4a936e3585a2a085a2edd0d6861201aa99b4817.

Revert "init: provide initial pemissions for ondemand governor"

This reverts commit bb23f09b4bc5996c88553dcb9857357c1b6516d8.

Revert "Allow 'system' user to modify cpufreq control files"

This reverts commit 2aaa54be95527144341e5fb82c67b2be7f06ac71.

Change-Id: I8889d6f6d3346cf7920bb3e8d5d52291d40d6b5e
Merge "mkbootimg: Add --dt parameter to specify DT image" into cm-10.2
Merge "init: uevent: Add msm video symbolic link handling" into cm-10.2
Merge branch 'cm-10.2' of https://github.com/CyanogenMod/android_system_core into DJL10.2