ARM: tegra30: add PLLD to pll setup

On T30 unlike T20 dsi panels are wider used on devices
and PLLD is used as DISP1 parent more often, so lets
enable it as well for this cases.

Tested-by: Andreas Westman Dorcsak <hedmoo@yahoo.com> # ASUS TF700T T30
Tested-by: Svyatoslav Ryhel <clamor95@gmail.com> # HTC One X T30
Tested-by: Thierry Reding <treding@nvidia.com> # Beaver T30
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Signed-off-by: Tom <twarren@nvidia.com>