v4l2: Replace manual loop counters with utils::enumerate()

Use the newly introduced utils::enumerate() to replace manual loop
counters. A local variable is needed, as utils::enumerate() requires an
lvalue reference.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
1 file changed