arm64: dts: reneas: rcar-gen3: Add SDnH clocks

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20211110191610.5664-13-wsa+renesas@sang-engineering.com
Link: https://lore.kernel.org/r/20211110191610.5664-14-wsa+renesas@sang-engineering.com
Link: https://lore.kernel.org/r/20211110191610.5664-15-wsa+renesas@sang-engineering.com
Link: https://lore.kernel.org/r/20211110191610.5664-16-wsa+renesas@sang-engineering.com
Link: https://lore.kernel.org/r/20211110191610.5664-17-wsa+renesas@sang-engineering.com
Link: https://lore.kernel.org/r/20211110191610.5664-18-wsa+renesas@sang-engineering.com
Link: https://lore.kernel.org/r/20211110191610.5664-19-wsa+renesas@sang-engineering.com
Link: https://lore.kernel.org/r/20211110191610.5664-22-wsa+renesas@sang-engineering.com


Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>