ARM: shmobile: Use sh73a0-specific cpu disable code

Convert the sh73a0 CPU Hotplug code to use a local
implementation of ->cpu_disable(). With this change
in place the sh73a0 SMP code does no longer depend
on hotplug.c.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
1 file changed