From Nicolas Ferre, fixes for early boot hangs on at91:

Fixes for RTT & RTC interrupts that can fire early during boot process
and kill the system.

* tag 'at91-fixes-non-critical' of git://github.com/at91linux/linux-at91:
  ARM: at91: fix hanged boot due to early rtt-interrupt
  ARM: at91: fix hanged boot due to early rtc-interrupt