memory: tegra: Add SWGROUP names

Subsequent patches will add debugfs files that print the status of the
SWGROUPs. Add a new names field and complement the SoC tables with the
names of the individual SWGROUPs.

Signed-off-by: Thierry Reding <treding@nvidia.com>
diff --git a/include/soc/tegra/mc.h b/include/soc/tegra/mc.h
index 63deb8d..b254881 100644
--- a/include/soc/tegra/mc.h
+++ b/include/soc/tegra/mc.h
@@ -40,6 +40,7 @@
 };
 
 struct tegra_smmu_swgroup {
+	const char *name;
 	unsigned int swgroup;
 	unsigned int reg;
 };