4.4 bringup for omap4-common

Squashed commits of the following:

commit 7f3dba76a9cf5a4a40d1b1ccd51de8bb1fe0c6a1
Author: Jiangyi <sam.andrew.jiang@gmail.com>
Date:   Thu Nov 14 11:13:07 2013 -0500

    OMAP4-common: Force screenshots onto CPU Path

    Needed to fix graphical glitches on PowerVR.

    Change-Id: I2d01dc27d0b4b53a2ca552c9686adad9b2e73b53

commit b7278868885d8af6d2b0f5ea98903470bfaabdc6
Author: Jiangyi <sam.andrew.jiang@gmail.com>
Date:   Wed Nov 6 11:19:19 2013 -0500

    omap4-common: Specify TARGET_RUNNING_WITHOUT_SYNC_FRAMEWORK

    Change-Id: Id479873dc87dd020ed8d3201ad8eeddb04525ebd

commit 9df92e3cad29887a6897fdda196f1cacc7ee6836
Author: Jiangyi <sam.andrew.jiang@gmail.com>
Date:   Wed Nov 6 11:16:54 2013 -0500

    omap4-common: Update hwc headers

    Change-Id: I7d958c5509a83f90c5f0f685ea21cc3e839fa2f0