[lib][gfx] call gfx_flush at the end of the debug patterns
[lib][gfx] call gfx_flush at the end of the debug patterns

srodrig1/lk,srodrig1/lk,littlekernel/lk,minglun-tsai/lk,sndnvaps/lk,nvll/lk,nvll/lk,sndnvaps/lk,hollanderic/lkstuff,ErikCorryGoogle/lk,skabet/lk,srodrig1/lk,minglun-tsai/lk,travisg/lk,nvll/lk,hollanderic/lkstuff,minglun-tsai/lk,skabet/lk,hollanderic/lkstuff,nvll/lk,littlekernel/lk,travisg/lk,nvll/lk,littlekernel/lk,ErikCorryGoogle/lk,travisg/lk,srodrig1/lk,skabet/lk,littlekernel/lk,minglun-tsai/lk,skabet/lk,sndnvaps/lk,ErikCorryGoogle/lk,skabet/lk,srodrig1/lk,ErikCorryGoogle/lk,travisg/lk,sndnvaps/lk,sndnvaps/lk,hollanderic/lkstuff