Integrating TI OMAP4 Video Decoder

Added the video decoder component name to kDecoderInfo.
Set the quirks for the video decoder.
Add a new color format to OMX_IVCommon.h to denote TI OMAP4 NV12 color format.
Added a color conversion routine [ from NV12 to RGB ] for thumbnail generation.

Change-Id: I6b23c36441645ef65ec7406ba262d19f89cf64fd
Signed-off-by: Devaraj Rangasamy <dev@ti.com>
Signed-off-by: Sreenidhi Koti <sreenidhi@ti.com>
Signed-off-by: Anu Sundararajan <sanuradha@ti.com>