dt-bindings: Drop unused RZ/G2L devicetree bindings

We are now using the dts/upstream subtree for the RZ/G2L SoC family so
we can drop unused dt-bindings headers.

Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com>
Reviewed-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
3 files changed