drm/amd: Add GFX11 modifiers support to AMDGPU (v3)

GFX11 IP introduces new tiling mode. Various combinations of DCC
settings are possible and the most preferred settings must be exposed
for optimal use of the hardware.

add_gfx11_modifiers() is based on recommendation from Marek for the
preferred tiling modifier that are most efficient for the hardware.

v2: microtiling fix noticed by Marek
v3: keep Z tiling check

Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>