[SPARC]: Small smp cleanup.
It moves the smp_procesors_ready variable to sun4d_smp.c only.
Signed-off-by: Krzysztof Helt (krzysztof.h1@wp.pl)
Signed-off-by: David S. Miller <davem@davemloft.net>
authored by Krzysztof Helt and committed by David S. Miller 5fec811e a23b423e