Merge tag 'nios2-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/lftan...

Pull arch/nios2 updates from Ley Foon Tan:

 - don't use _end for calculating min_low_pfn

 - fix broken sys_clone syscall

 - take mmap lock in cacheflush syscall

* tag 'nios2-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2:
  nios2: Don't use _end for calculating min_low_pfn
  nios2: fixed broken sys_clone syscall
  Take mmap lock in cacheflush syscall