Merge branch 'rpi-next' of https://source.denx.de/u-boot/custodians/u-boot-raspberrypi

Ivan's patch fixes a kernel warning when booting RPi2, as the firmware
already
provides a frambebuffer node.

Marek's patch fixes random crashes on 32 bit RPi4 with newer firmware.

My SMBIOS patchesfixes an issue that show up with
e4f8e543 ("smbios: Drop the unused Kconfig options").
Basically the SMBIOS table broke and wasn't readable anymore.