This patch adds DU pins, groups and function for the R8A77995 (D3) SoC.
Signed-off-by: NUlrich Hecht <ulrich.hecht+renesas@gmail.com>
Reviewed-by: NKieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>