clk: rs9: Add support for 9FGV0841

This model is similar to 9FGV0441, the DIFx bits start at bit 0 again,
except this chip has 8 outputs.

Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Link: https://lore.kernel.org/r/20231113221949.111964-4-marek.vasut+renesas@mailbox.org


Signed-off-by: Stephen Boyd <sboyd@kernel.org>