ARM: dt: tegra: format regs properties consistently

Place each reg "entry" on its own line, and wrap the whole list in
<> rather than each individual entry.

The convention chosen here is slightly arbitrary, but is not consistent
throughout all Tegra files.

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