qcom-common: Graphics cleanup

 * Move egl.cfg up to board-specific dirs
 * Remove junk

Change-Id: I40d5e7fe5e47fb4f7a8384c9ca6f54cd45c0f325
qcom-common: Set property after modem links are created

 * Needed for scripts to trigger on.

Change-Id: I930a981151f1001def5acae689d2c26b7d8a7d6d
Merge remote-tracking branch 'cm/cm-10.1' into jb-4.2