Jetson/L4T/r35.2.x patches

Camera [r35.2.1][Jetson-IO] Configure Jetson AGX CSI Connector https://forums.developer.nvidia.com/t/241893/

[CPHY] Kernel patch to configure CPHY mode by device tree instead of hardcode values. https://forums.developer.nvidia.com/t/241898/

flash [flash] Massflash failed in Jetpack 5.1 https://forums.developer.nvidia.com/t/xavier-nx-jetpack-5-1-initrd-massflash-doesnt-work/242078/6

[Xavier NX SD] watchdog disabled issue https://forums.developer.nvidia.com/t/jetpack-5-1-kernel-panic-does-not-lead-to-reboot-with-a-b-system/245215/18

Security [Secureboot][UEFI][AGX Xavier] fixes to enable secureboot from UEFI on r35.2.1 release version. https://forums.developer.nvidia.com/t/244505/4

Misc [PWM][Orin NX] modify firewall config to enable read/write permission for controlling PWM7. https://forums.developer.nvidia.com/t/247231/3