AMDGPU & Radeon DDX Updated - Better 2D Performance, Tear Free, DRI3 Default

Necessitated by the new X.Org Server 1.19 release are new official releases to xf86-video-amdgpu and xf86-video-ati. But besides adding support for the xorg-server 1.19, there are also new features with these being infrequent updates to the DDX driver...