media: camera: Build tegra-camera as OOT module

Port camera drivers below from /kenrel/nvidia to
/kernel/nvidia-oot as OOT modules:
- Fusa-capture driver
- Tegra V4L2 framework driver
- vi/csi driver
- tegra camera platform driver

Change-Id: I390af27096425bb11e0934201dd1a90f001bb3fa
Signed-off-by: Frank Chen <frankc@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2780698
Reviewed-by: FNU Raunak <fraunak@nvidia.com>
Reviewed-by: Ankur Pawar <ankurp@nvidia.com>
Reviewed-by: Shiva Dubey <sdubey@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>

include/linux/arm64-barrier.h

@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (c) 2022, NVIDIA CORPORATION.  All rights reserved.
+ */
+
+#include <linux/version.h>
+
+/*
+ * Upstream Linux commit bd4fb6d270bc ("arm64: Add support for SB
+ * barrier and patch in over DSB; ISB sequences") added speculation
+ * macro 'spec_bar' to inhibit speculation. This has since been removed
+ * from the upstream kernel starting with Linux v5.13, because there are
+ * no current users. Define this macro here for NVIDIA drivers to use.
+ */
+#define spec_bar()	asm volatile(ALTERNATIVE("dsb nsh\nisb\n",	\
+				     SB_BARRIER_INSN"nop\n",		\
+				     ARM64_HAS_SB))