drm/amdgpu: Enable GFX RAS feature for gfx v11_0_3

v1: Support gfx ras feature enablement for gfx v11_0_3.
v2: Update function name and error message.

Signed-off-by: Candice Li <candice.li@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>