Provides an options to use the ptp clock routed from the Altera FPGA
fabric. Instead of the defalt eosc1 clock connected to the ARM HPS core.
This setting affects all emacs in the core as the ptp clock is common.
Acked-by: NRob Herring <robh@kernel.org>
Signed-off-by: NPhil Reid <preid@electromag.com.au>
Acked-by: NDinh Nguyen <dinguyen@opensource.altera.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>