riscv: dts: Add full JH7100, Starlight and VisionFive support

riscv: dts: Add full JH7100, Starlight and VisionFive support

Based on the device tree in https://github.com/starfive-tech/u-boot/
with contributions from:
yanhong.wang <yanhong.wang@starfivetech.com>
Huan.Feng <huan.feng@starfivetech.com>
ke.zhu <ke.zhu@starfivetech.com>
yiming.li <yiming.li@starfivetech.com>
jack.zhu <jack.zhu@starfivetech.com>
Samin Guo <samin.guo@starfivetech.com>
Chenjieqin <Jessica.Chen@starfivetech.com>
bo.li <bo.li@starfivetech.com>

Rearranged, cleanups, fixes, pins and resets added by Emil.
Cleanups, fixes, clocks added by Geert.
Cleanups and GPIO fixes from Drew.
Thermal zone added by Stephen.
PWM pins added by Jianlong.
cpu-map added by Jonas.

Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Stephen L Arnold <nerdboy@gentoo.org>
Signed-off-by: Drew Fustini <drew@beagleboard.org>
Signed-off-by: Jianlong Huang <jianlong.huang@starfivetech.com>
Signed-off-by: Jonas Hahnfeld <hahnjo@hahnjo.de>