drm/radeon: update radeon_atom_get_clock_dividers() for SI

SI uses v5 of the command table and uses a different table
for memory PLLs.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-06-07 11:50:12 -04:00
commit 360b1f5e62