mogami: Make pmem_adsp cached

Change-Id: Iea65a087966ca1908dfc50204df46b8cef522642
pmem/vidc: Workaround for Xperia 2011 camera framerate

Make video encoding less cpu intensive by using the camera recording
buffer as input for the encoder, no more copying to temporary adsp buffer.

Now getting 28 fps with stabiliztation on, and 29.5 fps with stabilization off.

Credits: miniuser123@xda

Change-Id: I030425286bf77700adb550a065a4044a251687f0
mogami: Adjust pmem_adsp size for 720p

Change-Id: I049b5cd0ab45b9d29364cef657fe54cb7fc57620
Merge pull request #29 from LegacyXperia/cm-11.0

Latest changes from LX