backport drm from 3.10-rc7

Sync to commit:

commit 9e895ace5d82df8929b16f58e9f515f6d54ab82d
Author:     Linus Torvalds <torvalds@linux-foundation.org>
AuthorDate: Sat Jun 22 09:47:31 2013 -1000
Commit:     Linus Torvalds <torvalds@linux-foundation.org>
CommitDate: Sat Jun 22 09:47:31 2013 -1000

    Linux 3.10-rc7

Signed-off-by: Rob Clark <robdclark@gmail.com>
update ifc6410_rob_defconfig
mach-msm: misc fixes/hacks needed for drm driver

Get rid of some hacky assignment of clocks to wrong/bogus devices, fix
some compile errors when disabling ION/PMEM, etc..