poweprc/85xx: add QMan frequency info and fdt fixup.

Starting from QMan3.0, the QMan clock cycle needs be exposed so that the kernel
driver can use it to calculate the shaper prescaler and rate.

Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
4 files changed