gpu: ion: Add ION Memory Manager

Signed-off-by: Rebecca Schultz Zavin <rebecca@android.com>
diff --git a/drivers/gpu/ion/Kconfig b/drivers/gpu/ion/Kconfig
new file mode 100644
index 0000000..5b48b4e
--- /dev/null
+++ b/drivers/gpu/ion/Kconfig
@@ -0,0 +1,12 @@
+menuconfig ION
+	tristate "Ion Memory Manager"
+	select GENERIC_ALLOCATOR
+	help
+	  Chose this option to enable the ION Memory Manager.
+
+config ION_TEGRA
+	tristate "Ion for Tegra"
+	depends on ARCH_TEGRA && ION
+	help
+	  Choose this option if you wish to use ion on an nVidia Tegra.
+