ARM: pm: allow generic sleep code to be used with SMP CPU idle

Allow the generic sleep code to be used with SMP CPU idle by storing
N CPU stack pointers rather than just one.  Tested on Assabet and
Tegra 2.

Tested-by: Colin Cross <ccross@android.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
1 file changed