memory: tegra30-emc: Fix panic on suspend

Trying to suspend driver results in a crash if timings aren't available in
device-tree.

Reported-by: Jon Hunter <jonathanh@nvidia.com>
Fixes: e34212c75a68 ("memory: tegra: Introduce Tegra30 EMC driver")
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
1 file changed