Error out on any camera's location if set to "external", in the HAL
configuration file. The HAL configuration file is meant to override the
location property, and overriding an internal camera location to
external doesn't make sense.
Signed-off-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>