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 <vkalia@codeaurora.org>
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 147b068..a3b45c9 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -656,6 +656,7 @@
 /* Cache handling flags */
 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE	0x0800
 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN		0x1000
+#define V4L2_BUF_FLAG_EOS		0x2000
 
 /*
  *	O V E R L A Y   P R E V I E W