clk: renesas: r9a06g032: Repair grave increment error

If condition (clkspec.np != pd->dev.of_node) is true, then the driver
ends up in an endless loop, forever, locking up the machine.

Fixes: aad03a66 ("clk: renesas: r9a06g032: Add clock domain support")
Reviewed-by: Ralph Siemsen <ralph.siemsen@linaro.org>
Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Gareth Williams <gareth.williams.jx@renesas.com>
Link: https://lore.kernel.org/r/20221028113834.7496-1-marex@denx.de


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