Merge tag 'microblaze-3.17-rc1' of git://

Pull microblaze updates from Michal Simek:
 - add new syscall and fix comment
 - fix udelay implementation
 - fix libgcc for modules

* tag 'microblaze-3.17-rc1' of git://
  microblaze: Change libgcc-style functions from lib-y to obj-y
  microblaze: Wire-up renameat2 syscall
  microblaze: Add syscall number comment
  microblaze: delay.h fix udelay and ndelay for 8 bit args