Update egl.cfg for new adreno libs
Revert "Define BOARD_EGL_WORKAROUND_BUG_10194508"

 * Not needed with kk adreno libs

This reverts commit f1b76129200a34861e9c777d2a88a417b006dbd9.
Workaround for blanking splash screen during boot

 * Don't need workaround in display-caf anymore