[FR] Implement Controls for [Iphone X]

[Rikard405]

Camera manufacturer and model (ie. NexiGO N660):

Unknown controls information (click 'Copy to Clipboard' on the warning and paste here):
{
"keep_format": {
"type": "bool",
"default": "0",
"value": "0"
},
"sustain_framerate": {
"type": "bool",
"default": "0",
"value": "0"
},
"timeout": {
"type": "int",
"min": "0",
"max": "100000",
"step": "1",
"default": "0",
"value": "0"
},
"timeout_image_io": {
"type": "bool",
"default": "0",
"value": "0"
}
}