microblaze: Add TLS support to sys_clone
microblaze: Add TLS support to sys_clone

Formerly unused Args 4/5 now load parent tid / child tid so the brid to
do_fork can pick up TLS from r10. Arg 3 still unused

There is also necessary to fix old glibc which do not setup r9/r10 (arg 4/5).
Simple clearing them is fine.

Signed-off-by: Edgar E. Iglesias <3c2cc96b84b05462a9c234ea604e7fc218094334@gmail.com>
Signed-off-by: David Holsgrove <f826d240c745b4de090faa8d73fe785c43737a03@petalogix.com>
Signed-off-by: Michal Simek <3a191dd2be46e826fee926d532b136ed65cb5318@monstr.eu>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs