Disable interrupts for power-off, like other platforms do. This prevents
meaningless warnings from the soft-lockup detector on models with a power
supply unit not under software control.
Reported-by: NStan Johnson <userm57@yahoo.com>
Tested-by: NStan Johnson <userm57@yahoo.com>
Signed-off-by: NFinn Thain <fthain@telegraphics.com.au>
Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org>