r306442:
  TEGRA: Add support for MULTIDELAY option.
r306444:
  TEGRA: Don't include files already included by system or arch configs.
r306445:
  TEGRA: Return back kern_clocksource.c into tegra config file. It was
  removed in r306444 by mistake.
r306550:
  TEGRA: Extend timeout for PLLs lock to 5 ms. Real lock time for PLLA has
  been very near to old limit.