arm64: dts: rockchip: rk3308-rock-pi-s gpio-line-names cleanup

Perform the following cleanups on a previous patch:
- indent lines after "gpio-line-names"
- fix D0-D8 -> D0-D7
- sort phandle references

Fixes: c45de75d

 ("arm64: dts: rockchip: add gpio-line-names to rk3308-rock-pi-s")
Signed-off-by: Trevor Woerner <twoerner@gmail.com>
Link: https://lore.kernel.org/r/20231219173814.1569-1-twoerner@gmail.com


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