ARM: tegra: paz00: Fix some indentation inconsistencies

Indentation of the clock property used a hodgepodge of tabs and spaces.
Make them more consistent (tabs for indentation followed by spaces for
alignment).

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>