[Graphics]: Integrating the IMG DDK1.8 into ICS mainline

[Graphics]: Integrating the IMG DDK1.8 into ICS mainline

BZ: 16598

Upgrade to PVR DDK 1.8. The 1st set (changes under hardware/intel/linux-2.6/) of 4.

Graphics: PVR DDK 1.8 drop (ED 1.8.778983)

Feature enabled:
1. Surface Texture: GLES1/2_EXTENSION_EGL_IMAGE_EXTERNAL.
2. Pixel format: XRGB888; XBGR8888 & ABGR8888 are rendered via Skia (SW) rather than GPU with GL.
3. EGL_ANDROID_recordable: supports rendering to matching buffer formats that are suitable for feeding to an OpenMAX video encoder.

Feature disabled:
1. HWC HAL of PVR: integrated, but turned OFF (SUPPORT_ANDROID_REFERENCE_COMPOSER_HAL).
2. ION memory manager: integrated, turn OFF support for OMAP (CONFIG_ION_OMAP).
3. Composition Bypass mode: SUPPORT_ANDROID_COMPOSITION_BYPASS.

Change-Id: I5b1ad973d4454324e5194d3f8c05458aa7a3a9b8
Signed-off-by: John Ye <john.ye@intel.com>
Signed-off-by: Randy Xu <randy.xu@intel.com>
Reviewed-on: http://android.intel.com:8080/26913
Reviewed-by: Hu, Austin <austin.hu@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>