ARM: tegra: use machine specific hook for late init

Cc: Colin Cross <ccross@android.com>
Cc: Olof Johansson <olof@lixom.net>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>

arch/arm/mach-tegra/common.c

@@ -132,3 +132,9 @@ void __init tegra30_init_early(void)
 	tegra_powergate_init();
 }
 #endif
+
+void __init tegra_init_late(void)
+{
+	tegra_clk_debugfs_init();
+	tegra_powergate_debugfs_init();
+}