radv: use the resolve compute path if dest uses multiple layers

radv: use the resolve compute path if dest uses multiple layers

The hardware path doesn't support resolving layers, for both
source and destination images.

This fixes a reflection issue when MSAA is enabled which
affects GTA V and probably DIRT3.

CC: <mesa-stable@lists.freedesktop.org>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107786
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Tested-by: Gregor Münch <gr.muench_at_gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>