arm64: dts: renesas: r8a77965: Add CAN and CANFD controller nodes

This patch adds CAN{0,1} and CANFD controller nodes for the R8A77965 SoC.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>