linux: Update to 1444a4e

Cyril Bur (1):
      drivers/mtd: set the powernv flash dev.parent

Joel Stanley (2):
      kernel/reboot.c: Add orderly_reboot for graceful reboot
      powerpc/powernv: Reboot when requested by firmware

Michael Ellerman (2):
      powerpc: Add a proper syscall for switching endianness
      selftests/powerpc: Add a test of the switch_endian() syscall

Neelesh Gupta (2):
      opal: Add message notifier unregister function
      powerpc/powernv: Fix leaks in PRD cleanup path

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
3 files changed