Jetson AGX Xavier/31.1 patches

Camera

Fix the sensor connect to CSI-g/h patch link https://devtalk.nvidia.com/default/topic/1046625/jetson-agx-xavier/-xavier-multiple-camera-connection-probelms/post/5314135/#5314135

 IO 

Disable Spread Spectrum patch link https://devtalk.nvidia.com/default/topic/1044111/jetson-agx-xavier/disable-spread-spectrum-ssc-on-xavier-/post/5297456/#5297456