ipa: rpi: cam_helper: Add Sony IMX327

The IMX327 sensor is largely compatible with the already supported
Sony IMX290 so we can reuse the same helpers for the analogue gain
conversion functions.

Signed-off-by: Geoffrey Van Landeghem <geoffrey.vl@gmail.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>

src/ipa/rpi/cam_helper/cam_helper_imx290.cpp

@@ -73,4 +73,5 @@ static CamHelper *create()
 }
 
 static RegisterCamHelper reg("imx290", &create);
+static RegisterCamHelper reg327("imx327", &create);
 static RegisterCamHelper reg462("imx462", &create);