Merge tag 'socfpga_dts_update_for_v5.7_part2' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux into arm/dt

SoCFPGA DTS updates for v5.7, part 2
- Add ptp_ref clock to ethernet nodes for Arria10

* tag 'socfpga_dts_update_for_v5.7_part2' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux:
  ARM: socfpga: arria10: Add ptp_ref clock to ethernet nodes

Link: https://lore.kernel.org/r/20200325160745.793-1-dinguyen@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>