arm64: dts: renesas: r9a07g044: Rename SDHI clocks

Rename the below SDHI clocks to match with the clocks used in driver.

     imclk->core
     clk_hs->clkh
     imclk2->cd

Also re-arrange the clocks to match with the sorting order used in the
binding document.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20211122103905.14439-3-biju.das.jz@bp.renesas.com


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