Update notes for submitted changes

* Revert "OMAP3: hwc: Fix for rotation transition to render using SGX."
Update notes for submitted changes

* hwc: Add vsync support
Update notes for submitted changes

* hwc: Support VSYNC notification via sysfs
Update notes for submitted changes

* hwc: update api version to v1
Update notes for submitted changes

* hwc: call omap3_hwc_reset_screen() only once
Update notes for submitted changes

* hwc: fix probable typo/thinko
Update notes for submitted changes

* hwc: silence a compiler warning
Update notes for submitted changes

* hwc: Fix check for presence of sysfs vsync_time file
Update notes for submitted changes

* hwc: use TARGET_SCREEN_WIDTH/TARGET_SCREEN_HEIGHT to set initial overlay size
Update notes for submitted changes

* hwc: allow building in Thumb mode on ARM
Update notes for submitted changes

* hwc: allow targets to disable use of YUV overlay hardware