Revert "defconfig: enable BFQ I/O scheduler as default"

This reverts commit c4b16dc49b31b844b022051c16bdfc20d54c9cc9.
mmi: Add ROW IO scheduler to defconfig

Change-Id: I566ea2c3bfabf26e873f3d3e8522f5369158c8f3
More old ioctl support

Change-Id: I0fbb4e36ab6f4a5afe615483485643d51962d710
Add heap_mask and old api support to ion

We can keep heap_mask if we add support for old ioctl too.

Change-Id: I480c304b5806ef9127231028554057d218442ba7
Define MDSS_MDP_ROT_ONLY

Change-Id: I3ccfefbae1f667607f5b4435cef4144ef14e3c10
Revert "msm: camera: Add camera driver support for ov5640 and ov7692"

Change-Id: I74244aad78057eabadfc1820bb0df111859d2fa0