arm64: dts: renesas: r9a07g043: Fix audio clk node names

Replace the clk node names audio-clk{1,2} with audio{1,2}-clk as per
the device tree specification.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220729084527.388023-1-biju.das.jz@bp.renesas.com


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