pyramid: Removed writeback code (MSM8660 doesn't support writeback)
pyramid: Removed Ion writeback heap (MSM8660 doesn't use writeback)
mt9v113: Send intftype to v4l2_subdev_notify instead of NULL

Fixes crashes on init.

Change-Id: I090c2820a8eaaf40673b5cc607410d02828fba77
mm: Lowered swappiness
mm: Optimized SLUB memory allocator
msm: htc_battery: Refresh battery every 5 seconds