Document MIPI calibration device found in Tegra132. This compatible already exists in the Linux kernel, I have just documented it to satisfy warnings. Each Tegra SoC generation has unique set of registers which should be configured. They all differ, hence fallback is not suitable here. Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com> Acked-by: Conor Dooley <conor.dooley@microchip.com> Tested-by: Luca Ceresoli <luca.ceresoli@bootlin.com> # tegra20, parallel camera Signed-off-by: Thierry Reding <treding@nvidia.com>