13a390a6f9
The ring write pointer regsiter update is the only part that is IP specific ones in psp_cmd_submit function. Add two callbacks for wptr read/write so that we unify the psp_cmd_submit function for all the ASICs. Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: John Clements <john.clements@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>