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: NThierry Reding <treding@nvidia.com>
Signed-off-by: NStephen Warren <swarren@nvidia.com>
Signed-off-by: NOlof Johansson <olof@lixom.net>