ARM: tegra20: Add Tegra Memory Controller(MC) driver

Tegra Memory Controller(MC) driver for Tegra20
Added to support MC General interrupts, mainly for IOMMU(GART).

Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/memory/Makefile b/drivers/memory/Makefile
index e27f80b..1f58518 100644
--- a/drivers/memory/Makefile
+++ b/drivers/memory/Makefile
@@ -3,3 +3,4 @@
 #
 
 obj-$(CONFIG_TI_EMIF)		+= emif.o
+obj-$(CONFIG_TEGRA20_MC)	+= tegra20-mc.o