drm/amdgpu: add print support for gfx12 ipdump

Add support of gfx12 ipdump print so devcoredump
could trigger it to dump the captured registers
in devcoredump.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>