drm/amd/display: initialize YUV plane capabilities

This patch populates the YUV surface configurations.

Tests: (On Chromium OS for Stoney Only)
builds without any errors.

Signed-off-by: Shirish S <shirish.s@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>