media: msm_vidc: Add video driver for video core.
media: msm_vidc: Add video driver for video core.

- Adds video encoding and decoding functionality.
- Implements v4l2 interface based driver for interacting
  with userspace modules to perform video encoding and
  decoding.
- Implements kernel API for interacting with kernel
  modules like Wifi display(encoder) and V4L2 based
  DVB(decoder).

Change-Id: Iadb83b60139e659ae7f66e5dc38c46fef52ca99d
Signed-off-by: Vinay Kalia <05243070b7fcb94c08882b4f3952a1c5d61493b2@codeaurora.org>
[davidb: only include/linux/videodev2.h]
Signed-off-by: David Brown <67bb63793f66c3c3797af10faa739beca3aeb927@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas