ARM: tegra30: Add Tegra Memory Controller(MC) driver

Tegra Memory Controller(MC) driver for Tegra30
Added to support MC General interrupts, mainly for IOMMU(SMMU).

Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/memory/Kconfig

@@ -24,4 +24,8 @@ config TEGRA20_MC
 	bool
 	depends on ARCH_TEGRA_2x_SOC
 
+config TEGRA30_MC
+	bool
+	depends on ARCH_TEGRA_3x_SOC
+
 endif