Add device nodes for the four video input controllers on the R8A7790.
Signed-off-by: NBen Dooks <ben.dooks@codethink.co.uk>
[Sergei: renamed VIN device nodes, edited changelog]
Signed-off-by: NSergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>