memory: tegra30: Fix build error w/o PM

Make this depend on CONFIG_PM.

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 file changed