memory: tegra: Enable building of mc-<soc>

The copied source files for driver in linux-<soc> repo need to proper
Makefile to be built. Add required Makefile to build MC driver from
linux-<soc> repo.

Bug 3960743

Change-Id: If47a799c9ac6be7f52a55fb0d715a09a797501d8
Signed-off-by: Ashish Mhetre <amhetre@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2914094
Reviewed-by: Ketan Patil <ketanp@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>

drivers/Makefile

@@ -30,6 +30,9 @@ ifdef CONFIG_I2C
 obj-m += i2c/busses/
 obj-m += mfd/
 endif
+ifdef CONFIG_MEMORY
+obj-m += memory/
+endif
 ifdef CONFIG_MTD
 obj-m += mtd/devices/
 endif

drivers/memory/Makefile

@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+# Copyright (c) 2023, NVIDIA CORPORATION.  All rights reserved.
+
+obj-m += tegra/
+

drivers/memory/tegra/Makefile

@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+# Copyright (c) 2023, NVIDIA CORPORATION.  All rights reserved.
+
+obj-m += private-soc/

drivers/memory/tegra/private-soc/Makefile

@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0-only
+# Copyright (c) 2023, NVIDIA CORPORATION.  All rights reserved.
+
+# Empty Makefile
+# NOTE: Do not change or add anything in this Makefile.
+# The source code and Makefile rules are copied from the
+# kernel/nvidia-$soc/drivers/memory/tegra/private-soc. This
+# file is just place-holder for empty Makefile to avoid any build
+# issue when copy is not done from command line and building
+# the tree independent of source copy.