riscv defconfig starfive visionfive2 env is nowhere, missing axp15060 regulator, misc vendor hacks for Milk-V Mars CM Lite

[Nam Cao]

On Fri, 26 Jan 2024 02:53:45 -0800 E Shattow <lucent at gmail.com> wrote:
> There is missing the AXP15060 power regulation in u-boot needed for SDCard
> and networking. As it is happens to work for some variants and not others,
> and not always. The AXP15060 driver exists in mainline Linux as a variant
> of AXP20x and there are corresponding devicetree entries of the StarFive
> JH7110-based VisionFive2 variants queued up (ref: *1 Patchwork series
> 806238).

I sent a patch to add AXP15060 power regulation device tree node:
https://lists.denx.de/pipermail/u-boot/2024-January/543614.html

However, I sent it because it is needed by OpenSBI to reboot/shutdown. I
was not aware that U-Boot also needs this.

Best regards,
Nam