Add kernel patch instructions for RealSense D435i

Add a README section documenting how to patch the kernel on JetPack 7.0 to fix RealSense D435i IMU detection. Provides the commands to clone the librealsense repo, checkout the development branch, and run ./scripts/patch-realsense-ubuntu-L4T.sh, and includes a note showing example error messages that occur when the kernel is not patched.

Author: openminddev

README.md

@@ -558,6 +558,26 @@ docker ps | grep ota_agent
 
 You can now manage and update your Docker containers remotely via the [OpenMind Portal](https://portal.openmind.org).
 
+### Patch Kernel
+
+JetPack 7.0 may have some kernel issues that can not detect RealSense D435i with IMU. You can patch the kernel with the following commands:
+
+```bash
+cd ~
+git clone https://github.com/realsenseai/librealsense.git
+cd librealsense
+git checkout development
+./scripts/patch-realsense-ubuntu-L4T.sh
+```
+
+> [!NOTE]
+> If the kernel has not been patched, you may encounter issues with `om1-sensor` and find these error messages in the logs:
+> ```
+> [realsense2_camera_node-2]  10/03 19:29:52,565 WARNING [281473399384288] (ds-motion-common.cpp:452) No HID info provided, IMU is disabled
+> [realsense2_camera_node-2]  10/03 19:29:52,566 ERROR [281473399384288] (rs.cpp:256) [rs2_create_device( info_list:0xffff8401fbc0, index:0 ) UNKNOWN] bad optional access
+> [realsense2_camera_node-2]  10/03 19:29:52,566 ERROR [281473399384288] (rs.cpp:256) [rs2_delete_device( device:nullptr ) UNKNOWN] null pointer passed for argument "device"
+> ```
+
 ### Model Downloads
 
 #### Riva Models