linux-phytec-ti

powerpc/86xx: Update device tree

Avoid duplication of the interrupt-parent, migrate to 4 interrupt-cells
and set the right clock-frequency for pcie (100 Mhz).

Signed-off-by: Alessio Igor Bogani <alessio.bogani@elettra.eu>
Signed-off-by: Scott Wood <oss@buserror.net>