arm64: dts: rockchip: Reorder LED triggers from mmc devices on rk3399-roc-pc.

After patch [1] SD-card becomes mmc1 and eMMC becomes mmc2.
Correct trigger of LEDs accordingly.

[1]
https://patchwork.kernel.org/patch/11881427



Signed-off-by: Markus Reichl <m.reichl@fivetechno.de>
Link: https://lore.kernel.org/r/20201104192933.1001-1-m.reichl@fivetechno.de


Signed-off-by: Heiko Stuebner <heiko@sntech.de>