arm: mach-k3: Move sdelay() and wait_on_value() declaration

These probably should be in some system wide header given their use.
Until then move them out of K3 sys_proto.h so we can finish cleaning
that header out.

Signed-off-by: Andrew Davis <afd@ti.com>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
2 files changed